Comprehensive Product Summary – ORing DR‑4512 DIN‑Rail Power Supply

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### 1. Product Overview

Product Name: DR‑4512
Model Number: DR‑4512
Series: DR Series DIN‑Rail Power Supplies
Article Number: DR‑4512
Manufacturer: ORing Industrial Networking Corp.
Product Type: Industrial DIN‑Rail Mounted Power Supply
Output Rating: 45 W, 12 V DC, 3.75 A
Input Range: 100 – 240 V AC (universal input)

The ORing DR‑4512 is a compact, high‑efficiency 45‑watt industrial power supply designed for DIN‑rail mounting in control cabinets, automation panels, and industrial networking environments. It provides a regulated 12 V DC output at up to 3.75 A, supporting a wide universal AC input range from 100 V to 240 V AC. The DR‑4512 is part of ORing’s ruggedized DR series, engineered for reliable operation in demanding industrial and networking applications.

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### 2. Key Features

- Universal AC Input: Accepts 100 – 240 V AC without manual switching, enabling global compatibility.
- High Output Stability: Provides a regulated 12 V DC output with a maximum continuous current of 3.75 A (45 W total power).
- Compact DIN‑Rail Design: Optimized for quick installation on standard 35 mm DIN rails, minimizing panel space usage.
- Industrial‑Grade Reliability: Designed for continuous operation in harsh environments, including factory automation, process control, and networking enclosures.
- Overload and Short‑Circuit Protection: Integrated electronic protection ensures safe operation and prevents damage to connected equipment.
- High Efficiency and Low Heat Dissipation: Efficient conversion minimizes energy loss and thermal stress, extending component life.
- LED Status Indicators: Visual indication of power status for easy diagnostics and maintenance.
- Wide Operating Temperature Range: Suitable for industrial temperature conditions (typical range −20 °C to +70 °C, depending on installation environment).
- Compliance with Global Standards: Meets international safety and EMC standards for industrial power supplies.
- Maintenance‑Free Operation: Fanless convection cooling design reduces noise and eliminates moving parts.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Model Name | DR‑4512 |
| Output Power | 45 W |
| Output Voltage | 12 V DC |
| Output Current | 3.75 A |
| Input Voltage Range | 100 – 240 V AC (47 – 63 Hz) |
| Input Type | Universal AC input |
| Efficiency | Typically > 80 % (depending on load and input voltage) |
| Mounting Type | DIN‑Rail (35 mm standard rail, EN 60715) |
| Cooling Method | Natural air convection (fanless) |
| Protection Features | Overload, over‑voltage, short‑circuit protection |
| Operating Temperature | −20 °C ~ +70 °C (derating may apply above 50 °C) |
| Storage Temperature | −40 °C ~ +85 °C |
| Humidity | 20 % – 90 % RH non‑condensing |
| Dimensions (typical) | Approx. 90 mm (H) × 40 mm (W) × 100 mm (D) |
| Weight | Approx. 0.4 kg |
| Material | Metal enclosure with corrosion‑resistant coating |
| Isolation Voltage | Input to output: 3 kV AC (1 minute) |
| Safety Standards | UL 508, EN 60950‑1, CE certified |
| EMC Compliance | EN 55022 Class B, EN 61000‑4‑2/3/4/5/6/8/11 |
| Cooling | Convection (no fan) |
| MTBF (Mean Time Between Failures) | > 200,000 hours at 25 °C ambient |

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### 4. Functionality

The DR‑4512 functions as a regulated DC power source for industrial and networking equipment. It converts AC mains voltage (100 – 240 V AC) into a stable 12 V DC output suitable for powering devices such as:

- Industrial Ethernet switches and routers
- PLCs (Programmable Logic Controllers)
- Sensors, actuators, and control modules
- Communication gateways and embedded controllers
- Industrial PCs and monitoring systems

Operation Principle:
The unit employs a high‑frequency switching power conversion topology. Incoming AC voltage is rectified and filtered, then converted to a regulated DC output through pulse‑width modulation (PWM) control. Internal feedback circuits maintain constant output voltage under varying load conditions.

Compatibility:
The DR‑4512 is compatible with all ORing industrial networking devices requiring 12 V DC input, as well as third‑party equipment within the same voltage and current range. It can be used in conjunction with other DR‑series models (e.g., DR‑4524, DR‑75‑12, DR‑120‑12) for multi‑voltage systems.

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### 5. Components & Accessories

Included Items:
- DR‑4512 Power Supply Unit
- Quick installation guide or datasheet
- Terminal block connectors for input and output wiring

Optional Accessories (from ORing product ecosystem):
- Fiber Patch Cords and Adapters: For connecting fiber‑based networking devices powered by DR‑4512.
- Models: FPC‑SCSC‑MM3M, FPC‑SCLC‑SS3M, FPC‑LCLC‑MM3M, etc.
- RF Antenna Bases and Cables: For wireless networking equipment powered by the DR‑4512.
- Models: RFB‑M2‑150, RFC‑NM‑SMR‑150, etc.
- Power Adapters (alternative power sources):
- PAA‑121000 (12 V DC / 1 A, US plug)
- PAE‑121000 (12 V DC / 1 A, EU plug)
- Higher‑Power DIN‑Rail Supplies:
- DR‑75‑12 (75 W, 12 V DC / 6.3 A)
- DR‑120‑12 (120 W, 12 V DC / 10 A)

Connectors:
- Input: Screw terminal block for L/N/PE (AC input)
- Output: Screw terminal block for +V/−V (DC output)
- Grounding: Chassis ground terminal provided

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### 6. Installation & Setup

Mounting Requirements:
- Designed for standard 35 mm DIN‑rail mounting (EN 60715).
- Install vertically with adequate ventilation clearance (minimum 25 mm on top and bottom).
- Ensure ambient temperature does not exceed rated limits.

Electrical Connections:
1. Input Wiring: Connect AC mains (L, N) and protective earth (PE) to the input terminals.
2. Output Wiring: Connect the 12 V DC output terminals (+V, −V) to the load device.
3. Polarity Check: Verify correct polarity before powering on.
4. Power‑On: Apply AC input; the LED indicator confirms DC output presence.

Configuration:
- No software configuration required.
- Output voltage is factory‑set to 12 V DC ± 1 %.
- Some models may include a small potentiometer for fine voltage adjustment (± 10 %).

Safety Precautions:
- Disconnect AC power before wiring or maintenance.
- Use appropriate wire gauge (AWG 16–18 recommended).
- Ensure proper grounding to prevent electrical noise and shock hazards.

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### 7. Performance & Capabilities

Electrical Performance:
- Output Regulation: ± 1 % line and load regulation ensures stable voltage under varying conditions.
- Ripple & Noise: Typically < 120 mVp‑p at full load.
- Transient Response: Recovers to within 5 % of nominal voltage within 2 ms for 50 % load change.
- Hold‑Up Time: ≥ 20 ms at full load and 230 V AC input.
- Overload Protection: 105 – 150 % of rated output current, auto‑recovery after fault removal.
- Over‑Voltage Protection: 13.8 – 16.2 V DC (typical), latch or auto‑recovery depending on model.

Thermal Performance:
- Operates reliably in ambient temperatures up to 70 °C with derating.
- Natural convection cooling eliminates fan noise and reduces dust ingress.

Efficiency & Energy Use:
- Typical efficiency above 80 %, minimizing energy loss.
- Low standby power consumption (< 0.5 W).

Reliability:
- High MTBF (> 200,000 hours) ensures long service life in continuous operation.
- Designed for 24/7 industrial uptime.

Limitations:
- Not intended for direct outdoor exposure without enclosure protection.
- Derating required at high ambient temperatures or limited airflow.
- Output voltage fixed at 12 V DC; not adjustable beyond ± 10 %.

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### 8. Standards & Compliance

The DR‑4512 complies with major international safety and electromagnetic compatibility standards applicable to industrial power supplies.

Safety Certifications:
- UL 508 (Industrial Control Equipment)
- EN 60950‑1 / IEC 60950‑1 (Information Technology Equipment Safety)
- CE Marking (Low Voltage Directive 2014/35/EU)

EMC Compliance:
- EN 55022 Class B (Conducted and Radiated Emissions)
- EN 61000‑4‑2 (Electrostatic Discharge Immunity)
- EN 61000‑4‑3 (Radiated RF Immunity)
- EN 61000‑4‑4 (Fast Transient/Burst Immunity)
- EN 61000‑4‑5 (Surge Immunity)
- EN 61000‑4‑6 (Conducted RF Immunity)
- EN 61000‑4‑8 (Power Frequency Magnetic Field Immunity)
- EN 61000‑4‑11 (Voltage Dips and Interruptions)

Environmental Compliance:
- RoHS Directive (Restriction of Hazardous Substances) compliant
- WEEE Directive (Waste Electrical and Electronic Equipment) compliant

Industry Standards:
- DIN EN 60715 (DIN‑rail mounting standard)
- IEC 61010‑1 (Safety requirements for electrical equipment for measurement and control)

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### 9. Additional Information

Warranty:
Typically covered by a 3‑year limited manufacturer’s warranty, ensuring repair or replacement for defects in materials or workmanship under normal use.

Technical Support:
ORing provides global technical support through its website (www.oring‑networking.com) and authorized distributors. Support includes installation guidance, troubleshooting, and compatibility assistance.

Maintenance:
- The DR‑4512 is maintenance‑free under normal operation.
- Periodic inspection recommended to ensure terminal tightness and cleanliness.
- No internal user‑serviceable parts; return to authorized service center for repair.

Firmware/Hardware Updates:
As a hardware‑only power supply, no firmware updates are required. ORing may release updated models (e.g., DR‑4524, DR‑75‑12) with enhanced efficiency or extended temperature ratings.

Service Life & Replacement:
Expected operational life exceeds 10 years under nominal load and temperature conditions. Replacement recommended if output voltage deviates beyond tolerance or if visual damage occurs.

Environmental Considerations:
- Designed for indoor industrial environments.
- For outdoor or high‑humidity installations, use within sealed enclosures meeting IP54 or higher.
- Dispose of according to local electronic waste regulations.

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### Summary

The ORing DR‑4512 is a 45 W, 12 V DC, 3.75 A DIN‑rail power supply engineered for industrial automation and networking systems. It features a universal 100 – 240 V AC input, robust protection mechanisms, and high efficiency in a compact, fanless design. Its compliance with international safety and EMC standards ensures reliable performance in mission‑critical environments.

Ideal for powering industrial Ethernet switches, PLCs, sensors, and communication modules, the DR‑4512 delivers stable DC power with minimal maintenance requirements. As part of ORing’s DR series, it integrates seamlessly with other ORing accessories and power solutions, offering scalability and flexibility for diverse industrial applications.

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Manufacturer Contact:
ORing Industrial Networking Corp.
Website: [www.oring‑networking.com](http://www.oring-networking.com)
Product Category: Industrial Power Supplies / DIN‑Rail Mountable Units
Product Line: DR Series (DR‑4512, DR‑4524, DR‑75‑12, DR‑120‑12, etc.)

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End of Product Summary – DR‑4512 DIN‑Rail Power Supply