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DPR-1220-NPN-NC Safety Light Curtain Industrial Area Sensor
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DAPPRA DPR-1220-NPN-NC is a 12-beam DPR Series Industrial Area Sensor and Safety Light Curtain with 20 mm optical axis pitch and 220 mm protection height. Through-beam infrared detection, NPN NC output, IP65 protection, ideal for industrial object detection, machine protection and personnel protection applications.
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✦ Industrial Area Sensor
Safety Light Curtain
NPN NC
IP65
DPR-1220-NPN-NC
Industrial Area Sensor & Safety Light Curtain · 12‑Beam · 20 mm Pitch · 220 mm Protection Height
The DAPPRA DPR-1220-NPN-NC is a DPR Series Industrial Area Sensor and Safety Light Curtain for industrial object detection, machine protection and personnel protection applications.
The sensor uses a multiple parallel beam through‑beam detection method with a separate transmitter and receiver. Twelve optical beams are arranged at a 20 mm optical axis pitch, creating a 220 mm protection height.
In the Indonesian industrial automation market, products in this category may also be described using terms such as Area Sensor, Light Curtain Sensor or Safety Light Curtain, depending on application and safety requirements.
Primary Product Classification: Industrial Area Sensor / Safety Light Curtain.
Related Industry Terminology: Safety Light Curtain / Light Curtain Sensor.
Product Identity
DAPPRA DPR-1220-NPN-NC is a DAPPRA‑branded Industrial Area Sensor and Safety Light Curtain, and a specific model within the DAPPRA DPR Series.
The DPR-1220-NPN-NC features 12 optical beams, a 20 mm optical axis pitch, and a 220 mm protection height. It is designed for both general area detection and machine safety applications, including object detection across a wide sensing area and personnel protection around machinery.
DAPPRA Automation designs, develops and manufactures the DPR Series for industrial automation and machine safety applications.
| Parameter | Specification |
|---|---|
| Brand | DAPPRA |
| Product Series | DPR Series |
| Model | DPR-1220-NPN-NC |
| SKU | SD71 |
| Product Type | Industrial Area Sensor / Safety Light Curtain |
| Detection Method | Multiple Parallel Beam Through-Beam Detection |
| Beam Quantity | 12 Optical Beams |
| Optical Axis Pitch | 20 mm |
| Protection Height | 220 mm |
| Total Height | 286 mm |
| Housing Cross Section | 29 × 30 mm |
| Output Type | NPN |
| Signal Logic | NC (Normally Closed) |
| Protection Rating | IP65 |
| Compliance | CE / FCC / RoHS |
DPR-1220-NPN-NC at a Glance
The DPR-1220-NPN-NC is a 12‑beam Industrial Area Sensor and Safety Light Curtain designed for general area detection, machine protection and personnel protection applications.
Its multi‑beam through‑beam detection structure provides continuous detection across the sensing area rather than relying on a single‑point sensing position.
- 12 optical beams — evenly distributed across the sensing area
- 20 mm optical axis pitch — consistent beam spacing
- 220 mm protection height — larger monitored area than 8‑beam models
- 286 mm total height — complete sensor housing height
- 29 × 30 mm housing cross section — compact industrial housing
- NPN transistor output — compatible with NPN PLC inputs
- Normally Closed (NC) signal logic
- 0.2–3 m detection distance
- <5 ms response time
- DC24V ±20% power supply
- IP65 protection — dust and water resistance
- Ambient light resistance up to 10000 Lux
- Operating temperature -10°C to +55°C
- CE, FCC and RoHS compliance
- Industrial environmental resistance
DAPPRA DPR Series
The DPR-1220-NPN-NC is one model within the DAPPRA DPR Series of Industrial Area Sensors and Safety Light Curtains.
The DPR Series uses Multiple Parallel Beam Through-Beam Detection Technology and provides different beam quantities and protection heights for different industrial automation and machine safety requirements. The DPR Series model family includes configurations with different sensing heights while maintaining the same basic series architecture.
How Does the DPR-1220-NPN-NC Work?
The DPR-1220-NPN-NC uses Multiple Parallel Beam Through-Beam Detection Technology. The transmitter and receiver are installed opposite each other. Multiple optical beams are arranged vertically across the detection area.
When an object or person enters the sensing field and interrupts one or more optical beams, the receiver detects the interruption and changes the output signal according to the configured NPN NC logic.
The 12‑beam configuration provides a 220 mm protection height with a 20 mm optical axis pitch. This structure allows the sensor to detect objects passing through or entering the monitored area without requiring direct physical contact.
Detection Process
- Infrared Beam Transmission — The transmitter generates 12 parallel infrared beams and sends them toward the receiver.
- Detection Area Creation — Twelve optical beams are arranged at a 20 mm optical axis pitch, creating a 220 mm protection height.
- Object Detection — When an object or person enters the detection area, one or more infrared beams are interrupted.
- Signal Output — The receiver processes the interruption and changes the output according to the DPR-1220-NPN-NC NPN NC configuration.
12‑Beam Detection Configuration
The DPR-1220-NPN-NC uses 12 optical beams distributed across a 220 mm protection height.
| Configuration Parameter | Value |
|---|---|
| Beam Quantity | 12 Beams |
| Optical Axis Pitch | 20 mm |
| Protection Height | 220 mm |
| Total Height | 286 mm |
The 20 mm optical axis pitch provides evenly distributed detection points across the sensing area. The 220 mm protection height defines the active beam detection area, while 286 mm represents the complete sensor height.
Model Number Explanation
The model number identifies the DPR Series configuration, beam quantity, optical axis pitch, output type and signal logic.
| Model Code | Meaning | Description |
|---|---|---|
| DPR | Product Series | DAPPRA DPR Industrial Area Sensor Series |
| 12 | Beam Quantity | 12 optical beams |
| 20 | Optical Axis Pitch | 20 mm beam spacing |
| NPN | Output Type | NPN transistor output |
| NC | Signal Logic | Normally Closed |
DPR-1220-NPN-NC → 12 Beams · 20 mm Pitch · NPN · Normally Closed
Technical Specifications
| Parameter | DPR-1220-NPN-NC |
|---|---|
| Brand | DAPPRA |
| Series | DPR Series |
| Model | DPR-1220-NPN-NC |
| SKU | SD71 |
| Product Type | Industrial Area Sensor / Safety Light Curtain |
| Beam Quantity | 12 Beams |
| Optical Axis Pitch | 20 mm |
| Protection Height | 220 mm |
| Total Height | 286 mm |
| Housing Size | 29 × 30 mm |
| Detection Principle | Multiple Parallel Beam Through-Beam Detection |
| Detection Distance | 0.2–3 m |
| Response Time | <5 ms |
| Output Type | NPN |
| Signal Logic | NC |
| Supply Voltage | DC24V ±20% |
| Protection Rating | IP65 |
| Ambient Light Resistance | 10000 Lux |
| Operating Temperature | -10°C to +55°C |
| Humidity Resistance | Yes |
| Oil Protection | Yes |
| Anti-Vibration | Yes |
| Anti-Interference | Yes |
| Certifications / Compliance | CE / FCC / RoHS |
DPR Series Model Selection
The DPR-1220-NPN-NC belongs to a model family designed around different beam quantities and protection heights.
| Model | Beam Quantity | Optical Axis Pitch | Protection Height | Total Height |
|---|---|---|---|---|
| DPR-0620-NPN-NC | 6 Beams | 20 mm | 100 mm | 166 mm |
| DPR-0820-NPN-NC | 8 Beams | 20 mm | 140 mm | 206 mm |
| DPR-1220-NPN-NC | 12 Beams | 20 mm | 220 mm | 286 mm |
| DPR-1620-NPN-NC | 16 Beams | 20 mm | 300 mm | 366 mm |
The DPR-1220-NPN-NC provides a 220 mm protection height with 12 optical beams, making it suitable for applications requiring a larger monitored area than the 8‑beam configuration.
NPN NC Output & Wiring
The DPR-1220-NPN-NC uses an NPN transistor output with Normally Closed (NC) signal logic.
The NPN output configuration is intended for control systems and industrial automation equipment designed to accept NPN sensor signals.
| Electrical Configuration | Specification |
|---|---|
| Supply Voltage | DC24V ±20% |
| Output Type | NPN |
| Signal Logic | NC (Normally Closed) |
| Control Interface | Suitable for compatible PLC and control‑system inputs |
The wiring should follow the DAPPRA DPR Series wiring configuration and the electrical requirements of the connected control system.
Mechanical Dimensions
- 220 mm protection height
- 286 mm total height
- 29 × 30 mm housing cross section
- 20 mm optical axis pitch
- 12 optical beams
The 220 mm dimension represents the active protection/detection height, while 286 mm represents the complete sensor height. The mechanical drawing should be used for final mounting, enclosure and machine‑design dimensions.
Installation Methods
The DPR-1220-NPN-NC can be installed using the available DAPPRA mounting configurations.
Typical installation options include:
- Standard Mounting — Vertical transmitter/receiver configuration
- Side Mounting — Side-mounted installation for compact equipment
- Adjustable Mounting — Flexible positioning with adjustable brackets
For reliable multi‑beam detection, the transmitter and receiver should be aligned correctly across the complete sensing height. The installation reference should be followed for mounting position, alignment and sensor spacing.
Industrial Applications
The DPR-1220-NPN-NC can be used in industrial automation applications requiring multi‑beam object detection, machine protection or personnel protection.
Typical applications include:
- Machine area detection — Multi‑beam monitoring across a 220 mm zone
- Object detection — Reliable multi‑beam object presence sensing
- Material detection — Detection of materials in automated equipment
- Conveyor monitoring — Material and object detection on conveyor lines
- Machine entrance monitoring — Detection at machine access points
- Production‑line sensing — Multi‑beam detection on automated production lines
- Automated equipment — Integration into automated machinery
- Packaging machinery — Object detection in packaging lines
- Material handling equipment — Material detection and control
- Industrial automation systems — General automation sensing
- Machine protection — Protection of machine operating zones
- Personnel protection around machinery — Detection of persons entering protected areas
- Safety guarding applications — Support for machine safety guarding
Application suitability depends on the required sensing function, machine risk assessment and applicable safety requirements.
Typical Users
The DPR-1220-NPN-NC is intended for industrial users and technical professionals such as:
- Industrial Automation Engineers
- Electrical Engineers
- Machine Builders
- OEM Manufacturers
- System Integrators
- Factory Maintenance Teams
- Automation Equipment Manufacturers
- Industrial Sensor Distributors
Industrial Environment Performance
The DPR-1220-NPN-NC is designed for industrial environments where reliable optical detection and environmental resistance are required.
The sensor provides:
- IP65 protection — Dust and water resistance for industrial environments
- Humidity resistance — Reliable operation in high‑humidity conditions
- Oil protection — Oil‑resistant surface coating
- Anti‑vibration performance — Stable operation in vibrating machinery
- Anti‑interference performance — Resistance to electromagnetic interference
- Ambient light resistance up to 10000 Lux
- Operating temperature -10°C to +55°C
These characteristics support deployment in a range of industrial automation environments.
Certification & Compliance
The DPR-1220-NPN-NC is supplied with product compliance documentation to support industrial automation and machine protection applications.
- CE Certification — Demonstrates conformity with applicable European product requirements.
- FCC Certification — Supports electromagnetic compatibility requirements for electronic equipment.
- RoHS Compliance — Confirms compliance with restrictions on hazardous substances.
Industrial Area Sensor and Safety Light Curtain
The DAPPRA DPR-1220-NPN-NC combines multi‑beam area detection with safety light curtain functionality for industrial applications.
As an Industrial Area Sensor, it can detect objects across a wide sensing area using multiple parallel beams.
As a Safety Light Curtain, it can be used to detect personnel entering a protected machine area and support personnel protection around machinery.
The 12‑beam configuration, 20 mm optical axis pitch and 220 mm protection height provide a defined sensing and protection area for industrial automation and machine safety applications.
The appropriate safety configuration and integration should be determined according to the machine risk assessment and applicable safety requirements.
DAPPRA Product Development & Manufacturing
The DPR-1220-NPN-NC is a DAPPRA-developed and DAPPRA-branded industrial area sensor and safety light curtain.
DAPPRA Automation is responsible for the engineering development, product design and technical specification of the DPR Series and manufactures DAPPRA-branded products for industrial automation and machine safety applications.
The DPR Series is developed as part of DAPPRA's industrial automation product portfolio for applications involving machine sensing, object detection, personnel protection and industrial control.
Technical Application Note
The DAPPRA DPR-1220-NPN-NC is designed for engineers and industrial users requiring a 12‑beam, 20 mm‑pitch sensing and protection configuration with a 220 mm detection and protection height.
For machine integration, engineers should evaluate the required detection area, mounting position, electrical interface, output logic, machine risk assessment and application‑specific safety requirements before installation.
Why Choose DAPPRA DPR-1220-NPN-NC?
- 12‑beam sensing and protection — Evenly distributed detection area
- 20 mm optical axis pitch — Consistent beam spacing
- 220 mm protection height — Suitable for mid‑size machine openings
- 286 mm total height — Complete sensor housing
- Industrial Area Sensor and Safety Light Curtain — Dual‑purpose configuration
- NPN NC output configuration — Industrial control compatibility
- <5 ms response time — Fast detection response
- 0.2–3 m detection distance — Flexible installation range
- IP65 industrial protection — Dust and water resistance
- CE / FCC / RoHS compliance — Global market compliance
- DAPPRA-developed and DAPPRA-branded — Own production facility
- Designed for industrial automation and machine safety — Multi‑beam detection and protection applications
Technical Resources
Download technical documents for the DAPPRA DPR-1220-NPN-NC Industrial Area Sensor and Safety Light Curtain, including datasheet, CAD drawing and installation guide.
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Download PDF →
DPR-1220-NPN-NC Datasheet
Specifications, wiring, dimensions and certifications.
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Download Guide →
DPR-1220-NPN-NC Installation Guide
Mounting methods and alignment reference.
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Download CAD →
DPR-1220-NPN-NC CAD Drawing
Mechanical dimensions and installation layout.
DPR-1220-NPN-NC Package Contents
The DPR-1220-NPN-NC standard package includes the transmitter and receiver pair, connection cables and mounting accessories.
- 1 × Transmitter — Infrared beam transmitter
- 1 × Receiver — Infrared beam receiver
- 2 m connection cables — Pre-terminated cables
- M12 connection — Standard industrial connector
Mounting accessories are also included. Check the package for full details.
Engineering FAQ
Technical information about the DAPPRA DPR-1220-NPN-NC Industrial Area Sensor and Safety Light Curtain.
What is the DAPPRA DPR-1220-NPN-NC?
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The DAPPRA DPR-1220-NPN-NC is a DPR Series Industrial Area Sensor and Safety Light Curtain using multiple parallel beam through‑beam detection technology with 12 optical beams, a 20 mm optical axis pitch, a 220 mm protection height and NPN NC output configuration.
Can DPR-1220-NPN-NC replace the BW20-12 safety light curtain?
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Yes, the DAPPRA DPR-1220-NPN-NC (SKU: SD71) is designed as a compatible alternative to BW20-12 and similar 12‑beam, 20 mm pitch safety light curtain area sensors.
However, please verify electrical specifications, output configuration (NPN NC), mounting dimensions and application requirements to ensure proper replacement and compatibility.
Can DPR-1220-NPN-NC be used as an alternative to NA1-5?
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The DPR-1220-NPN-NC can be considered for applications requiring a multi‑beam configuration with a 20 mm optical axis pitch and a 220 mm protection height.
For applications originally designed around another safety light curtain or area sensor, engineers should verify beam quantity, optical axis pitch, protection height, detection distance, output configuration, signal logic, supply voltage, mechanical dimensions, wiring, mounting requirements and required machine‑safety performance before using the DPR-1220-NPN-NC as a replacement or alternative.
How many beams does the DPR-1220-NPN-NC have?
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The DPR-1220-NPN-NC has 12 optical beams.
What is the optical axis pitch?
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The optical axis pitch is 20 mm.
What is the protection height and total height?
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The protection height is 220 mm and the total sensor height is 286 mm.
Calculation: (12 − 1) × 20 mm = 220 mm.
What is the SKU of DPR-1220-NPN-NC?
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The SKU is SD71.
What output does DPR-1220-NPN-NC use?
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The sensor uses an NPN transistor output with Normally Closed (NC) signal logic.
What does NC mean?
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NC means Normally Closed signal logic. For normal beam transmission, the output is 0V; when a beam is interrupted, the output is removed (no output).
What voltage does the sensor require?
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The DPR-1220-NPN-NC operates at DC24V ±20%.
What is the detection distance and response time?
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The specified detection distance is 0.2–3 m and the response time is <5 ms.
Is DPR-1220-NPN-NC suitable for industrial environments?
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Yes. The sensor provides IP65 protection, humidity resistance, oil protection, anti‑vibration and anti‑interference characteristics for industrial applications. It also features 10000 Lux ambient light resistance and an operating temperature range of -10°C to +55°C.
Is DPR-1220-NPN-NC a safety light curtain?
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Yes. The DPR-1220-NPN-NC is designed for Safety Light Curtain applications as well as general Industrial Area Sensor applications. It can be used for object detection, machine protection and personnel protection around machinery.
What is the difference between DPR-0820-NPN-NC and DPR-1220-NPN-NC?
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The DPR-1220-NPN-NC provides 12 beams and a 220 mm protection height, while the DPR-0820-NPN-NC provides 8 beams and a 140 mm protection height. The DPR-1220-NPN-NC has a 286 mm total height.
Which DPR Series model has 12 beams?
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DPR-1220-NPN-NC is the 12‑beam model in the current DPR Series model family.
How does DAPPRA compare with other safety light curtain or area sensor brands?
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DAPPRA Automation provides industrial area sensors and safety light curtains with CE, FCC and RoHS compliance at competitive pricing for the Indonesian market.
DAPPRA products are manufactured in DAPPRA's own production facility with quality control processes, and are supported by local technical support and OEM/ODM services.
Engineers should compare products based on specifications, certifications, output configuration, protection height and application requirements rather than brand name alone.
Discover More
Explore the DAPPRA Area Sensor Series
View all Area Sensor series and find the right solution for your application.
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Related Technical Articles
✦ Industrial Area Sensor
Safety Light Curtain
NPN NC
IP65
DPR-1220-NPN-NC
Industrial Area Sensor & Safety Light Curtain · 12‑Beam · 20 mm Pitch · 220 mm Protection Height
The DAPPRA DPR-1220-NPN-NC is a DPR Series Industrial Area Sensor and Safety Light Curtain for industrial object detection, machine protection and personnel protection applications.
The sensor uses a multiple parallel beam through‑beam detection method with a separate transmitter and receiver. Twelve optical beams are arranged at a 20 mm optical axis pitch, creating a 220 mm protection height.
In the Indonesian industrial automation market, products in this category may also be described using terms such as Area Sensor, Light Curtain Sensor or Safety Light Curtain, depending on application and safety requirements.
Primary Product Classification: Industrial Area Sensor / Safety Light Curtain.
Related Industry Terminology: Safety Light Curtain / Light Curtain Sensor.
Product Identity
DAPPRA DPR-1220-NPN-NC is a DAPPRA‑branded Industrial Area Sensor and Safety Light Curtain, and a specific model within the DAPPRA DPR Series.
The DPR-1220-NPN-NC features 12 optical beams, a 20 mm optical axis pitch, and a 220 mm protection height. It is designed for both general area detection and machine safety applications, including object detection across a wide sensing area and personnel protection around machinery.
DAPPRA Automation designs, develops and manufactures the DPR Series for industrial automation and machine safety applications.
| Parameter | Specification |
|---|---|
| Brand | DAPPRA |
| Product Series | DPR Series |
| Model | DPR-1220-NPN-NC |
| SKU | SD71 |
| Product Type | Industrial Area Sensor / Safety Light Curtain |
| Detection Method | Multiple Parallel Beam Through-Beam Detection |
| Beam Quantity | 12 Optical Beams |
| Optical Axis Pitch | 20 mm |
| Protection Height | 220 mm |
| Total Height | 286 mm |
| Housing Cross Section | 29 × 30 mm |
| Output Type | NPN |
| Signal Logic | NC (Normally Closed) |
| Protection Rating | IP65 |
| Compliance | CE / FCC / RoHS |
DPR-1220-NPN-NC at a Glance
The DPR-1220-NPN-NC is a 12‑beam Industrial Area Sensor and Safety Light Curtain designed for general area detection, machine protection and personnel protection applications.
Its multi‑beam through‑beam detection structure provides continuous detection across the sensing area rather than relying on a single‑point sensing position.
- 12 optical beams — evenly distributed across the sensing area
- 20 mm optical axis pitch — consistent beam spacing
- 220 mm protection height — larger monitored area than 8‑beam models
- 286 mm total height — complete sensor housing height
- 29 × 30 mm housing cross section — compact industrial housing
- NPN transistor output — compatible with NPN PLC inputs
- Normally Closed (NC) signal logic
- 0.2–3 m detection distance
- <5 ms response time
- DC24V ±20% power supply
- IP65 protection — dust and water resistance
- Ambient light resistance up to 10000 Lux
- Operating temperature -10°C to +55°C
- CE, FCC and RoHS compliance
- Industrial environmental resistance
DAPPRA DPR Series
The DPR-1220-NPN-NC is one model within the DAPPRA DPR Series of Industrial Area Sensors and Safety Light Curtains.
The DPR Series uses Multiple Parallel Beam Through-Beam Detection Technology and provides different beam quantities and protection heights for different industrial automation and machine safety requirements. The DPR Series model family includes configurations with different sensing heights while maintaining the same basic series architecture.
How Does the DPR-1220-NPN-NC Work?
The DPR-1220-NPN-NC uses Multiple Parallel Beam Through-Beam Detection Technology. The transmitter and receiver are installed opposite each other. Multiple optical beams are arranged vertically across the detection area.
When an object or person enters the sensing field and interrupts one or more optical beams, the receiver detects the interruption and changes the output signal according to the configured NPN NC logic.
The 12‑beam configuration provides a 220 mm protection height with a 20 mm optical axis pitch. This structure allows the sensor to detect objects passing through or entering the monitored area without requiring direct physical contact.
Detection Process
- Infrared Beam Transmission — The transmitter generates 12 parallel infrared beams and sends them toward the receiver.
- Detection Area Creation — Twelve optical beams are arranged at a 20 mm optical axis pitch, creating a 220 mm protection height.
- Object Detection — When an object or person enters the detection area, one or more infrared beams are interrupted.
- Signal Output — The receiver processes the interruption and changes the output according to the DPR-1220-NPN-NC NPN NC configuration.
12‑Beam Detection Configuration
The DPR-1220-NPN-NC uses 12 optical beams distributed across a 220 mm protection height.
| Configuration Parameter | Value |
|---|---|
| Beam Quantity | 12 Beams |
| Optical Axis Pitch | 20 mm |
| Protection Height | 220 mm |
| Total Height | 286 mm |
The 20 mm optical axis pitch provides evenly distributed detection points across the sensing area. The 220 mm protection height defines the active beam detection area, while 286 mm represents the complete sensor height.
Model Number Explanation
The model number identifies the DPR Series configuration, beam quantity, optical axis pitch, output type and signal logic.
| Model Code | Meaning | Description |
|---|---|---|
| DPR | Product Series | DAPPRA DPR Industrial Area Sensor Series |
| 12 | Beam Quantity | 12 optical beams |
| 20 | Optical Axis Pitch | 20 mm beam spacing |
| NPN | Output Type | NPN transistor output |
| NC | Signal Logic | Normally Closed |
DPR-1220-NPN-NC → 12 Beams · 20 mm Pitch · NPN · Normally Closed
Technical Specifications
| Parameter | DPR-1220-NPN-NC |
|---|---|
| Brand | DAPPRA |
| Series | DPR Series |
| Model | DPR-1220-NPN-NC |
| SKU | SD71 |
| Product Type | Industrial Area Sensor / Safety Light Curtain |
| Beam Quantity | 12 Beams |
| Optical Axis Pitch | 20 mm |
| Protection Height | 220 mm |
| Total Height | 286 mm |
| Housing Size | 29 × 30 mm |
| Detection Principle | Multiple Parallel Beam Through-Beam Detection |
| Detection Distance | 0.2–3 m |
| Response Time | <5 ms |
| Output Type | NPN |
| Signal Logic | NC |
| Supply Voltage | DC24V ±20% |
| Protection Rating | IP65 |
| Ambient Light Resistance | 10000 Lux |
| Operating Temperature | -10°C to +55°C |
| Humidity Resistance | Yes |
| Oil Protection | Yes |
| Anti-Vibration | Yes |
| Anti-Interference | Yes |
| Certifications / Compliance | CE / FCC / RoHS |
DPR Series Model Selection
The DPR-1220-NPN-NC belongs to a model family designed around different beam quantities and protection heights.
| Model | Beam Quantity | Optical Axis Pitch | Protection Height | Total Height |
|---|---|---|---|---|
| DPR-0620-NPN-NC | 6 Beams | 20 mm | 100 mm | 166 mm |
| DPR-0820-NPN-NC | 8 Beams | 20 mm | 140 mm | 206 mm |
| DPR-1220-NPN-NC | 12 Beams | 20 mm | 220 mm | 286 mm |
| DPR-1620-NPN-NC | 16 Beams | 20 mm | 300 mm | 366 mm |
The DPR-1220-NPN-NC provides a 220 mm protection height with 12 optical beams, making it suitable for applications requiring a larger monitored area than the 8‑beam configuration.
NPN NC Output & Wiring
The DPR-1220-NPN-NC uses an NPN transistor output with Normally Closed (NC) signal logic.
The NPN output configuration is intended for control systems and industrial automation equipment designed to accept NPN sensor signals.
| Electrical Configuration | Specification |
|---|---|
| Supply Voltage | DC24V ±20% |
| Output Type | NPN |
| Signal Logic | NC (Normally Closed) |
| Control Interface | Suitable for compatible PLC and control‑system inputs |
The wiring should follow the DAPPRA DPR Series wiring configuration and the electrical requirements of the connected control system.
Mechanical Dimensions
- 220 mm protection height
- 286 mm total height
- 29 × 30 mm housing cross section
- 20 mm optical axis pitch
- 12 optical beams
The 220 mm dimension represents the active protection/detection height, while 286 mm represents the complete sensor height. The mechanical drawing should be used for final mounting, enclosure and machine‑design dimensions.
Installation Methods
The DPR-1220-NPN-NC can be installed using the available DAPPRA mounting configurations.
Typical installation options include:
- Standard Mounting — Vertical transmitter/receiver configuration
- Side Mounting — Side-mounted installation for compact equipment
- Adjustable Mounting — Flexible positioning with adjustable brackets
For reliable multi‑beam detection, the transmitter and receiver should be aligned correctly across the complete sensing height. The installation reference should be followed for mounting position, alignment and sensor spacing.
Industrial Applications
The DPR-1220-NPN-NC can be used in industrial automation applications requiring multi‑beam object detection, machine protection or personnel protection.
Typical applications include:
- Machine area detection — Multi‑beam monitoring across a 220 mm zone
- Object detection — Reliable multi‑beam object presence sensing
- Material detection — Detection of materials in automated equipment
- Conveyor monitoring — Material and object detection on conveyor lines
- Machine entrance monitoring — Detection at machine access points
- Production‑line sensing — Multi‑beam detection on automated production lines
- Automated equipment — Integration into automated machinery
- Packaging machinery — Object detection in packaging lines
- Material handling equipment — Material detection and control
- Industrial automation systems — General automation sensing
- Machine protection — Protection of machine operating zones
- Personnel protection around machinery — Detection of persons entering protected areas
- Safety guarding applications — Support for machine safety guarding
Application suitability depends on the required sensing function, machine risk assessment and applicable safety requirements.
Typical Users
The DPR-1220-NPN-NC is intended for industrial users and technical professionals such as:
- Industrial Automation Engineers
- Electrical Engineers
- Machine Builders
- OEM Manufacturers
- System Integrators
- Factory Maintenance Teams
- Automation Equipment Manufacturers
- Industrial Sensor Distributors
Industrial Environment Performance
The DPR-1220-NPN-NC is designed for industrial environments where reliable optical detection and environmental resistance are required.
The sensor provides:
- IP65 protection — Dust and water resistance for industrial environments
- Humidity resistance — Reliable operation in high‑humidity conditions
- Oil protection — Oil‑resistant surface coating
- Anti‑vibration performance — Stable operation in vibrating machinery
- Anti‑interference performance — Resistance to electromagnetic interference
- Ambient light resistance up to 10000 Lux
- Operating temperature -10°C to +55°C
These characteristics support deployment in a range of industrial automation environments.
Certification & Compliance
The DPR-1220-NPN-NC is supplied with product compliance documentation to support industrial automation and machine protection applications.
- CE Certification — Demonstrates conformity with applicable European product requirements.
- FCC Certification — Supports electromagnetic compatibility requirements for electronic equipment.
- RoHS Compliance — Confirms compliance with restrictions on hazardous substances.
Industrial Area Sensor and Safety Light Curtain
The DAPPRA DPR-1220-NPN-NC combines multi‑beam area detection with safety light curtain functionality for industrial applications.
As an Industrial Area Sensor, it can detect objects across a wide sensing area using multiple parallel beams.
As a Safety Light Curtain, it can be used to detect personnel entering a protected machine area and support personnel protection around machinery.
The 12‑beam configuration, 20 mm optical axis pitch and 220 mm protection height provide a defined sensing and protection area for industrial automation and machine safety applications.
The appropriate safety configuration and integration should be determined according to the machine risk assessment and applicable safety requirements.
DAPPRA Product Development & Manufacturing
The DPR-1220-NPN-NC is a DAPPRA-developed and DAPPRA-branded industrial area sensor and safety light curtain.
DAPPRA Automation is responsible for the engineering development, product design and technical specification of the DPR Series and manufactures DAPPRA-branded products for industrial automation and machine safety applications.
The DPR Series is developed as part of DAPPRA's industrial automation product portfolio for applications involving machine sensing, object detection, personnel protection and industrial control.
Technical Application Note
The DAPPRA DPR-1220-NPN-NC is designed for engineers and industrial users requiring a 12‑beam, 20 mm‑pitch sensing and protection configuration with a 220 mm detection and protection height.
For machine integration, engineers should evaluate the required detection area, mounting position, electrical interface, output logic, machine risk assessment and application‑specific safety requirements before installation.
Why Choose DAPPRA DPR-1220-NPN-NC?
- 12‑beam sensing and protection — Evenly distributed detection area
- 20 mm optical axis pitch — Consistent beam spacing
- 220 mm protection height — Suitable for mid‑size machine openings
- 286 mm total height — Complete sensor housing
- Industrial Area Sensor and Safety Light Curtain — Dual‑purpose configuration
- NPN NC output configuration — Industrial control compatibility
- <5 ms response time — Fast detection response
- 0.2–3 m detection distance — Flexible installation range
- IP65 industrial protection — Dust and water resistance
- CE / FCC / RoHS compliance — Global market compliance
- DAPPRA-developed and DAPPRA-branded — Own production facility
- Designed for industrial automation and machine safety — Multi‑beam detection and protection applications
Technical Resources
Download technical documents for the DAPPRA DPR-1220-NPN-NC Industrial Area Sensor and Safety Light Curtain, including datasheet, CAD drawing and installation guide.
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Download PDF →
DPR-1220-NPN-NC Datasheet
Specifications, wiring, dimensions and certifications.
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Download Guide →
DPR-1220-NPN-NC Installation Guide
Mounting methods and alignment reference.
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Download CAD →
DPR-1220-NPN-NC CAD Drawing
Mechanical dimensions and installation layout.
DPR-1220-NPN-NC Package Contents
The DPR-1220-NPN-NC standard package includes the transmitter and receiver pair, connection cables and mounting accessories.
- 1 × Transmitter — Infrared beam transmitter
- 1 × Receiver — Infrared beam receiver
- 2 m connection cables — Pre-terminated cables
- M12 connection — Standard industrial connector
Mounting accessories are also included. Check the package for full details.
Engineering FAQ
Technical information about the DAPPRA DPR-1220-NPN-NC Industrial Area Sensor and Safety Light Curtain.
What is the DAPPRA DPR-1220-NPN-NC?
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The DAPPRA DPR-1220-NPN-NC is a DPR Series Industrial Area Sensor and Safety Light Curtain using multiple parallel beam through‑beam detection technology with 12 optical beams, a 20 mm optical axis pitch, a 220 mm protection height and NPN NC output configuration.
Can DPR-1220-NPN-NC replace the BW20-12 safety light curtain?
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Yes, the DAPPRA DPR-1220-NPN-NC (SKU: SD71) is designed as a compatible alternative to BW20-12 and similar 12‑beam, 20 mm pitch safety light curtain area sensors.
However, please verify electrical specifications, output configuration (NPN NC), mounting dimensions and application requirements to ensure proper replacement and compatibility.
Can DPR-1220-NPN-NC be used as an alternative to NA1-5?
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The DPR-1220-NPN-NC can be considered for applications requiring a multi‑beam configuration with a 20 mm optical axis pitch and a 220 mm protection height.
For applications originally designed around another safety light curtain or area sensor, engineers should verify beam quantity, optical axis pitch, protection height, detection distance, output configuration, signal logic, supply voltage, mechanical dimensions, wiring, mounting requirements and required machine‑safety performance before using the DPR-1220-NPN-NC as a replacement or alternative.
How many beams does the DPR-1220-NPN-NC have?
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The DPR-1220-NPN-NC has 12 optical beams.
What is the optical axis pitch?
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The optical axis pitch is 20 mm.
What is the protection height and total height?
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The protection height is 220 mm and the total sensor height is 286 mm.
Calculation: (12 − 1) × 20 mm = 220 mm.
What is the SKU of DPR-1220-NPN-NC?
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The SKU is SD71.
What output does DPR-1220-NPN-NC use?
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The sensor uses an NPN transistor output with Normally Closed (NC) signal logic.
What does NC mean?
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NC means Normally Closed signal logic. For normal beam transmission, the output is 0V; when a beam is interrupted, the output is removed (no output).
What voltage does the sensor require?
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The DPR-1220-NPN-NC operates at DC24V ±20%.
What is the detection distance and response time?
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The specified detection distance is 0.2–3 m and the response time is <5 ms.
Is DPR-1220-NPN-NC suitable for industrial environments?
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Yes. The sensor provides IP65 protection, humidity resistance, oil protection, anti‑vibration and anti‑interference characteristics for industrial applications. It also features 10000 Lux ambient light resistance and an operating temperature range of -10°C to +55°C.
Is DPR-1220-NPN-NC a safety light curtain?
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Yes. The DPR-1220-NPN-NC is designed for Safety Light Curtain applications as well as general Industrial Area Sensor applications. It can be used for object detection, machine protection and personnel protection around machinery.
What is the difference between DPR-0820-NPN-NC and DPR-1220-NPN-NC?
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The DPR-1220-NPN-NC provides 12 beams and a 220 mm protection height, while the DPR-0820-NPN-NC provides 8 beams and a 140 mm protection height. The DPR-1220-NPN-NC has a 286 mm total height.
Which DPR Series model has 12 beams?
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DPR-1220-NPN-NC is the 12‑beam model in the current DPR Series model family.
How does DAPPRA compare with other safety light curtain or area sensor brands?
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DAPPRA Automation provides industrial area sensors and safety light curtains with CE, FCC and RoHS compliance at competitive pricing for the Indonesian market.
DAPPRA products are manufactured in DAPPRA's own production facility with quality control processes, and are supported by local technical support and OEM/ODM services.
Engineers should compare products based on specifications, certifications, output configuration, protection height and application requirements rather than brand name alone.
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Contact DAPPRA Engineer9 ulasan untuk DPR-1220-NPN-NC Safety Light Curtain Industrial Area Sensor
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barang sesuai , pengiriman oke ., mantab .. thanks
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Produk berfungsi dengan baik Packaging aman dan bagus Barang sesuai deskripsi Pengiriman Cepat,, barang original dan berfungsi dengan baik.. kualitas ga kalah sama kualitas jepang… Seller service bagus
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Produk berfungsi dengan baik Packaging aman dan bagus Barang sesuai deskripsi
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Sesuai deskripsi dan foto, berfungsi dengan baik, ini pembelian ke 3
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Barang yang dikirimkan sesuai dan respon penjual sangat baik
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barang sesuai , pengiriman oke ., mantab .. thanks
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