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Industrial DIN Rail Power Supply – HDR Series
DAPPRA DIN Rail Industrial Power Supply
HDR Series — Ultra-Slim Class II
Step-Shape DIN Rail Power Supply
The DAPPRA HDR Series is an ultra-slim Class II step-shape DIN rail power supply series designed for building automation, household control and industrial control applications.
Covering 15W to 150W with 5V to 48V output, the HDR Series combines a narrow profile from just 17.5 mm (1SU), universal 85–264 VAC input, no-load power consumption below 0.3W and efficiency up to 91%. The entire series is Class II double insulated — no grounding connection required.
15–150 W
Output Power
85–264 VAC
Universal AC Input
Class II
Double Insulation
< 0.3 W
No-Load Consumption
Overview
HDR Series Overview
The DAPPRA HDR Series is an ultra-slim Class II step-shape DIN rail power supply series designed for building automation, household control and industrial control applications. It covers five power ratings — 15W, 30W, 60W, 100W and 150W — with single-output configurations of 5V, 12V, 15V, 24V and 48V DC.
The entire series is Class II double insulated with plastic housing, effectively preventing user contact with electrical hazards and requiring no grounding connection. All models share a uniform 90 mm height in line with DIN EN43880 and are available in widths from 1SU (17.5 mm) to 6SU (105 mm). The HDR Series meets BS EN/EN61000-3-2 Class A harmonic current requirements and is certified for household and industrial control applications.
Key Features
HDR Series Key Features
Engineered for ultra-slim, safety-isolated DIN rail power supply applications.
- Class II Double InsulationThe entire HDR Series is Class II double insulated with plastic housing, effectively preventing user contact with electrical hazards. No grounding connection is required — simplifying installation in building automation and household control systems.
- Ultra-Slim Step-Shape Housing (1SU–6SU)HDR-15 is only 17.5 mm (1SU) wide; HDR-30 is 35 mm (2SU); HDR-60 is 52.5 mm (3SU); HDR-100 is 70 mm (4SU); HDR-150 is 105 mm (6SU). All models share a uniform 90 mm height in line with DIN EN43880 for consistent panel layout.
- Universal AC Input 85–264 VACFull-range single-phase AC input supports global mains voltages (277 VAC operational). Also supports 120–370 VDC input (390 VDC operational).
- Extremely Low No-Load ConsumptionAll models have no-load power consumption below 0.3W — fulfilling worldwide low-power regulations for household and industrial electronics.
- High Efficiency up to 91%Efficiency ranges from 80% (HDR-15-5) up to 91% (HDR-60-48), reducing energy consumption and heat generation in control cabinets.
- LPS Certified (Selected Models)HDR-15, HDR-30, HDR-60 and HDR-100 Blank type pass LPS (Limited Power Source) certification for use in safety-critical circuits requiring limited energy.
- Complete Protection FunctionsShort circuit protection, overload protection (hiccup mode or constant current limiting, auto-recovery), and over voltage protection are built in.
- Wide Operating Temperature Range-30°C to +70°C with derating above +50°C. Free air convection cooling with no moving parts — ideal for dusty environments and silent operation.
- TS35 DIN Rail MountingAdmissible DIN rail: TS35/7.5 or TS35/15. LED indicator for power on. 3 years warranty.
Model Selection
HDR Series Model Selection
Select the appropriate HDR model according to the required output power, output voltage and SU width.
The HDR Series is available in five power ratings — 15W, 30W, 60W, 100W and 150W. The HDR-15, HDR-30 and HDR-60 offer 5V, 12V, 15V, 24V and 48V outputs; the HDR-100 and HDR-150 offer 12V, 15V, 24V and 48V. The HDR-100 is available in Blank type (92W max, LPS) and N type (100W max, Non-LPS).
Model Code
HDR
–
100
–
24
N
HDRSeries prefix — DAPPRA HDR Series Ultra-Slim Class II Step-Shape DIN Rail Power Supply.
100 — Output WattageOutput power rating in Watts: 15 / 30 / 60 / 100 / 150.
24 — Output VoltageNominal output voltage in VDC: 5 / 12 / 15 / 24 / 48 (varies by power rating).
N — Performance Difference (Optional)Blank type = 92W max, Pass LPS, narrower output adjustment range. N type = 100W max, Non-LPS, wider output adjustment range (HDR-100 only).
Field
Meaning
Available Values
HDR
Series prefix
HDR
Output Wattage
Rated output power in Watts
15 / 30 / 60 / 100 / 150
Output Voltage
Nominal DC output voltage
5 / 12 / 15 / 24 / 48 VDC
Performance Suffix
LPS / Non-LPS performance difference
Blank (LPS, 92W) / N (Non-LPS, 100W)
Example: HDR-100-24N = HDR Series, 100W output power, 24V DC output, N type (Non-LPS, 100W max).
HDR-15 / HDR-30 — 15W / 30W (1SU / 2SU)
| Model | Output Voltage | Output Current | Rated Power | Efficiency | Width |
|---|---|---|---|---|---|
| HDR-15-5 | 5 VDC | 2.4 A | 12 W | 80% | 17.5 mm (1SU) |
| HDR-15-12 | 12 VDC | 1.25 A | 15 W | 85% | 17.5 mm (1SU) |
| HDR-15-15 | 15 VDC | 1 A | 15 W | 85.5% | 17.5 mm (1SU) |
| HDR-15-24 | 24 VDC | 0.63 A | 15.2 W | 86% | 17.5 mm (1SU) |
| HDR-15-48 | 48 VDC | 0.32 A | 15.4 W | 87% | 17.5 mm (1SU) |
| HDR-30-5 | 5 VDC | 3 A | 15 W | 82% | 35 mm (2SU) |
| HDR-30-12 | 12 VDC | 2 A | 24 W | 88% | 35 mm (2SU) |
| HDR-30-15 | 15 VDC | 2 A | 30 W | 89% | 35 mm (2SU) |
| HDR-30-24 | 24 VDC | 1.5 A | 36 W | 89% | 35 mm (2SU) |
| HDR-30-48 | 48 VDC | 0.75 A | 36 W | 90% | 35 mm (2SU) |
HDR-60 — 60W (3SU)
| Model | Output Voltage | Output Current | Rated Power | Efficiency | Width |
|---|---|---|---|---|---|
| HDR-60-5 | 5 VDC | 6.5 A | 32.5 W | 85% | 52.5 mm (3SU) |
| HDR-60-12 | 12 VDC | 4.5 A | 54 W | 88% | 52.5 mm (3SU) |
| HDR-60-15 | 15 VDC | 4 A | 60 W | 89% | 52.5 mm (3SU) |
| HDR-60-24 | 24 VDC | 2.5 A | 60 W | 90% | 52.5 mm (3SU) |
| HDR-60-48 | 48 VDC | 1.25 A | 60 W | 91% | 52.5 mm (3SU) |
HDR-100 — 85–100W (4SU)
| Model | Output Voltage | Output Current | Rated Power | Efficiency | Type |
|---|---|---|---|---|---|
| HDR-100-12 | 12 VDC | 7.1 A | 85.2 W | 88% | Blank (LPS) |
| HDR-100-12N | 12 VDC | 7.5 A | 90 W | 88% | N (Non-LPS) |
| HDR-100-15 | 15 VDC | 6.13 A | 92 W | 89% | Blank (LPS) |
| HDR-100-15N | 15 VDC | 6.5 A | 97.5 W | 89% | N (Non-LPS) |
| HDR-100-24 | 24 VDC | 3.83 A | 92 W | 90% | Blank (LPS) |
| HDR-100-24N | 24 VDC | 4.2 A | 100.8 W | 90% | N (Non-LPS) |
| HDR-100-48 | 48 VDC | 1.92 A | 92.2 W | 90% | Blank (LPS) |
| HDR-100-48N | 48 VDC | 2.1 A | 100.8 W | 90% | N (Non-LPS) |
HDR-150 — 150W (6SU)
| Model | Output Voltage | Output Current (230VAC) | Rated Power (230VAC) | Efficiency | Width |
|---|---|---|---|---|---|
| HDR-150-12 | 12 VDC | 11.3 A | 135.6 W | 89% | 105 mm (6SU) |
| HDR-150-15 | 15 VDC | 9.5 A | 142.5 W | 89.5% | 105 mm (6SU) |
| HDR-150-24 | 24 VDC | 6.25 A | 150 W | 90.5% | 105 mm (6SU) |
| HDR-150-48 | 48 VDC | 3.2 A | 153.6 W | 90.5% | 105 mm (6SU) |
HDR-150 output current and power differ between 115VAC and 230VAC input. Refer to the specification table for detailed ratings.
Dimensions
HDR Series Dimensions
Ultra-slim step-shape plastic housing with uniform 90 mm height in line with DIN EN43880. All dimensions in mm, tolerance ±0.5 mm.
HDR-15 (1SU)
| Width (W) | 17.5 mm |
| Height (H) | 90 mm |
| Depth (D) | 54.5 mm |
| Housing | Plastic, step-shape |
| Isolation | Class II |
HDR-30 (2SU)
| Width (W) | 35 mm |
| Height (H) | 90 mm |
| Depth (D) | 54.5 mm |
| Housing | Plastic, step-shape |
| Isolation | Class II |
HDR-60 (3SU)
| Width (W) | 52.5 mm |
| Height (H) | 90 mm |
| Depth (D) | 54.5 mm |
| Housing | Plastic, step-shape |
| Isolation | Class II |
HDR-100 (4SU)
| Width (W) | 70 mm |
| Height (H) | 90 mm |
| Depth (D) | 54.5 mm |
| Housing | Plastic, step-shape |
| Isolation | Class II |
HDR-150 (6SU)
| Width (W) | 105 mm |
| Height (H) | 90 mm |
| Depth (D) | 54.5 mm |
| Housing | Plastic, step-shape |
| Isolation | Class II |
Mounting
| DIN Rail | TS35/7.5 or TS35/15 |
| Cooling | Free air convection (fanless) |
| Height Standard | 90 mm (DIN EN43880) |
| Operating Temp. | -30 ~ +70 °C |
Installation
HDR Series Installation
The HDR Series supports DIN rail mounting with specific ventilation clearance and orientation requirements for reliable operation.
01 / 06
Vertical Orientation Only
The appropriate mounting orientation is vertical — input terminals at the bottom and output terminals at the top. Upside-down, horizontal or table-top mounting is not allowed, as sufficient cooling will not be possible.
02 / 06
Ventilation Clearance
Always allow good ventilation clearances around the unit: 5 mm left and right, 40 mm above and 20 mm below, to prevent overheating. When the adjacent device is a heat source, keep 10–15 cm clearance.
03 / 06
TS35 DIN Rail Mounting
Admissible DIN rail: TS35/7.5 or TS35/15. Tilt the unit slightly rearwards, fit over the top hat rail, slide it downward until it hits the stop, press against the bottom for locking, then shake slightly to check the locking action.
04 / 06
Class II — No Grounding Required
The entire HDR Series is Class II double insulated with plastic housing. No grounding connection (FG/PE) is required, simplifying installation in building automation and household control systems.
05 / 06
Operating Temperature Limits
All HDR models operate from -30°C to +70°C with derating above +50°C. Do not install near fire sources or high ambient temperature locations.
06 / 06
Pollution Degree 2 Environment
Install the unit only in a pollution degree 2 environment — typically dry, well-ventilated locations such as control cabinets. Do not install in places with high moisture or near water.
The HDR Series operates with free air convection cooling and requires adequate ventilation clearance. Do not install in orientations other than vertical, such as upside down, horizontal or table-top mounting.
Wiring & Terminal
HDR Series Wiring & Terminal
The HDR Series terminal pin assignment varies by model. Use copper wire only and ensure all strands of each stranded wire enter the terminal connection.
Terminal Pin Assignment
HDR-15 — 4 Pins
| Pin No. | Assignment |
|---|---|
| 1 | DC OUTPUT +V |
| 2 | DC OUTPUT -V |
| 3 | AC/N |
| 4 | AC/L |
HDR-15 uses a 4-pin terminal layout.
HDR-30 — 4 Pins
| Pin No. | Assignment |
|---|---|
| 1 | DC OUTPUT +V |
| 2 | DC OUTPUT -V |
| 3 | AC/L |
| 4 | AC/N |
HDR-30 TB1 order differs from HDR-15 — AC/L before AC/N.
HDR-60 — 6 Pins
| Pin No. | Assignment |
|---|---|
| 1, 2 | DC OUTPUT -V |
| 3, 4 | DC OUTPUT +V |
| 5 | AC/L |
| 6 | AC/N |
HDR-100 — 6 Pins
| Pin No. | Assignment |
|---|---|
| 1 | AC/L |
| 2 | AC/N |
| 3, 4 | DC OUTPUT -V |
| 5, 6 | DC OUTPUT +V |
HDR-100 TB1 order differs from HDR-60 — AC input is first.
HDR-150 — 6 Pins
| Pin No. | Assignment |
|---|---|
| 1 | AC/N |
| 2 | AC/L |
| 3, 4 | DC OUTPUT -V |
| 5, 6 | DC OUTPUT +V |
HDR-150 TB1 order differs from HDR-100 — AC/N before AC/L.
Front Panel Controls
| +V ADJ | DC output voltage adjustment potentiometer (all models) |
| Power LED | Power-on indicator LED (all models) |
The entire HDR Series is Class II design without an FG pin — no grounding connection is required.
Terminal pin order varies between HDR-15, HDR-30, HDR-60, HDR-100 and HDR-150 — always verify the terminal label before wiring. The entire series is Class II insulated with no FG/PE terminal. Both -V pins and both +V pins (on 6-pin models) should be connected to their respective output wires to prevent excessive current stress on a single contact.
Wiring Specification
Recommended Wire
| AWG | Rated Current | Cross-section |
|---|---|---|
| 18 | 0–6 A | 0.75 mm² |
| 16 | 6–10 A | 1.00 mm² |
| 14 | 13–16 A | 1.52 mm² |
| 12 | 16–25 A | 2.5 mm² |
Use stranded copper wire only. Use wires that can withstand temperatures of at least 80°C, such as UL1007.
Terminal Torque Setting
| Model Group | Torque |
|---|---|
| HDR-15 / 30 / 60 | 4.5 kgf-cm (4 Lb-in) |
| HDR-100 / 150 | 4.5 kgf-cm (4 Lb-in) |
Recommended wire strapping length: 5 mm (0.197″). Recommended screwdriver: 3 mm slotted type.
HDR-100 Type Difference
| Type | Description |
|---|---|
| Blank | 92W max, Pass LPS, narrower output adjustable range |
| N | 100W max, Non-LPS, wider output adjustable range |
Both Blank and N types are in stock. Choose based on LPS requirement and output power.
DC Output Voltage Adjustment
All HDR models include a front-panel DC output voltage adjustment potentiometer (+V ADJ) and a power-on LED indicator. The rated output voltage can be adjusted within the voltage adjustment range specified for each model. Output current and output wattage must not exceed the rated value on its specification.
The actual wiring should follow the wiring diagram provided in the HDR Series installation manual. Use copper wire only and ensure all strands enter the terminal connection securely.
Safety & Compliance
HDR Series Safety & Cautions
Read and follow all safety instructions before installing, wiring, maintaining or modifying the HDR Series power supply.
- Risk of electrical shock and energy hazard. All failure should be examined by a qualified technician. Do not remove the case of the power supply yourself.
- Connecting both the primary and the secondary sides together is not allowed — risk of electric arcs and electric shock (danger to life).
- Risk of burn hazard. Do not touch the unit in operation and shortly after disconnection.
- Risk of fire and short circuit. The openings should be protected from foreign objects or dripping liquids.
- Output current and output wattage must not exceed the rated value on its specification.
- Before commencing any installation, maintenance or modification work, disconnect the system from supply voltage. Make sure that inadvertent connection in circuit will be impossible.
- For continued protection against risk of fire, replace only with the same type and rating of fuse.
- The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives.
Note: Pollution Degree 2 applies where there is only non-conductive pollution that might temporarily become conductive due to occasional condensation. Generally refers to dry, well-ventilated locations, such as control cabinets.
Applications
HDR Series Industrial Applications
The HDR Series is suitable for household control systems, building automation, industrial control systems, factory automation and electromechanical apparatus.
Household Control Systems
Building Automation
Industrial Control Systems
Factory Automation
Electromechanical Apparatus
Home Automation
Security Systems
Network Equipment
Telecommunication
Next Step
Explore the HDR Series
Browse all HDR Series DIN rail power supply products, or return to the Industrial Power Supply category page.
Support
HDR Series FAQ
What is the DAPPRA HDR Series?
The DAPPRA HDR Series is an ultra-slim Class II step-shape DIN rail power supply series. It covers 15W, 30W, 60W, 100W and 150W with 5V, 12V, 15V, 24V and 48V output configurations, designed for building automation, household control and industrial control applications.
What is the input voltage range of the HDR Series?
All HDR Series models support a universal AC input range of 85–264 VAC (277 VAC operational) or 120–370 VDC (390 VDC operational).
Are all HDR Series models Class II double insulated?
Yes. The entire HDR Series is Class II double insulated with plastic housing, requiring no grounding connection. This makes the series suitable for building automation and household control systems.
What does 1SU, 2SU, 3SU, 4SU and 6SU mean in the HDR Series?
SU stands for Standard Unit (1SU = 17.5 mm). The HDR-15 is 1SU (17.5 mm), HDR-30 is 2SU (35 mm), HDR-60 is 3SU (52.5 mm), HDR-100 is 4SU (70 mm) and HDR-150 is 6SU (105 mm). All models share a uniform 90 mm height in line with DIN EN43880.
What is the no-load power consumption of the HDR Series?
All HDR Series models have a no-load power consumption below 0.3W, supporting energy-efficient standby operation.
What is the efficiency of the HDR Series?
Efficiency ranges from 80% (HDR-15-5) up to 91% (HDR-60-48), depending on the model and output voltage.
What is the operating temperature range of the HDR Series?
All HDR Series models operate from -30°C to +70°C with derating above +50°C. Free air convection cooling with no moving parts.
What is the terminal pin assignment of the HDR Series?
Terminal pin assignment varies by model: HDR-15: 1=+V, 2=-V, 3=AC/N, 4=AC/L. HDR-30: 1=+V, 2=-V, 3=AC/L, 4=AC/N. HDR-60: 1,2=-V, 3,4=+V, 5=AC/L, 6=AC/N. HDR-100: 1=AC/L, 2=AC/N, 3,4=-V, 5,6=+V. HDR-150: 1=AC/N, 2=AC/L, 3,4=-V, 5,6=+V.
What is the difference between HDR-100 Blank type and N type?
HDR-100 Blank type (e.g., HDR-100-12) offers 92W max output, passes LPS, and has a narrower output adjustable range. HDR-100 N type (e.g., HDR-100-12N) offers 100W max output, is Non-LPS, and has a wider output adjustable range.
What certifications does the HDR Series have?
The HDR Series is certified to UL62368-1, UL508, TUV BS EN/EN61558-2-16, IEC62368-1, EAC TP TC 004, BSMI CNS15598-1 and BIS IS13252. HDR-150 is additionally certified to UL61010. All models comply with BS EN/EN61000-6-2 industrial immunity level and BS EN/EN61000-3-2 Class A harmonic current.
How do I choose the right HDR Series model?
Select the HDR model according to the required output power (15W to 150W), output voltage, whether LPS certification is required, and available DIN rail mounting space. Consider the SU width: HDR-15 (1SU), HDR-30 (2SU), HDR-60 (3SU), HDR-100 (4SU), HDR-150 (6SU).