DPR-2020-NPN-NC

Safety Light Curtain Area Sensor — 20 Beams · 20 mm Pitch · 380 mm Protection Height

Product Overview

DPR-2020-NPN-NC is a DAPPRA DPR Series safety light curtain area sensor designed for industrial machine protection, hazardous area detection, and automation equipment access monitoring applications.

The sensor uses through-beam infrared detection technology with an emitter and receiver structure to create a protected sensing field.

With 20 infrared beams, 20mm optical axis pitch, 380mm protection height, and NPN NC output configuration, DPR-2020-NPN-NC provides a flexible industrial sensing solution for equipment requiring accurate beam interruption detection and reliable signal communication.

Key Product Specifications

Parameter	Specification
Model	DPR-2020-NPN-NC
SKU	SH61
Product Type	Safety Light Curtain Area Sensor
Detection Method	Through-beam Infrared Detection
Beam Quantity	20 Beams
Optical Axis Pitch	20 mm
Protection Height	380 mm
Total Height	459 mm
Resolution	20 mm
Detection Distance	0.1–3 m
Response Time	0.5 ms
Output Type	NPN
Signal Logic	NC
Protection Rating	IP65
Operating Voltage	DC 12–24V
Cable Length	2 m
Product Series	DAPPRA DPR Series

Key Features

20-Beam Detection Field 20 infrared beams with 20mm optical axis pitch

Fast 0.5ms Response Rapid beam interruption detection

NPN NC Output NPN output with Normally Closed signal logic

IP65 Protection Designed for demanding industrial environments

SIL 2 CE FCC RoHS IP65

Technical Specifications

General Specifications

Parameter	Specification
Brand	DAPPRA
Product Series	DPR Series
Product Type	Safety Light Curtain Area Sensor
Detection Type	Through Beam Infrared Detection
Light Source	Infrared LED

Optical & Electrical Specifications

Parameter	Specification
Optical Beam Quantity	20 Beams
Optical Axis Pitch	20 mm
Protection Height	380 mm
Total Height	459 mm
Resolution	20 mm
Detection Distance	0.1–3 m
Operating Voltage	DC 12–24V
Response Speed	0.5 ms
Output Type	NPN
Signal Logic	NC (Normally Closed)
Output Current	≤200 mA
Power Consumption	<5 W

Mechanical & Environmental Specifications

Parameter	Specification
Housing Size	29 × 30 mm
Protection Rating	IP65
Operating Temperature	−10 to 55°C
Relative Humidity	<85% RH at 20°C
Anti-Light Interference	10,000 Lux, incidence angle >5°
Emitter Connector	M12 3-Pin
Receiver Connector	M12 4-Pin
Cable Length	2 m