Comprehensive Product Summary – DRP048V120W1BN DIN Rail Power Supply

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### 1. Product Overview

Product Name: DIN Rail Power Supply
Model Number: DRP048V120W1BN
Series: DRP Industrial Power Supply Series
Article Number: DRP048V120W1BN
Manufacturer: ORing Industrial Networking Corp.
Product Type: Industrial-grade DIN Rail-mounted DC power supply
Output Rating: 120 W at 48 VDC
Primary Application: Industrial automation, networking, and control systems requiring stable DC power in harsh environments.

The DRP048V120W1BN is a high-performance, compact, and efficient DIN rail power supply designed for industrial and networking applications. Manufactured by ORing Industrial Networking Corp., a company known for ruggedized industrial networking solutions, this model delivers a regulated 48 VDC output with a total power capacity of 120 watts. It is engineered for wide temperature operation and reliable performance in demanding environments such as factory automation, transportation, and process control systems.

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### 2. Key Features

- High Efficiency and Reliability: Provides a stable 48 VDC output at up to 2.5 A current with a total power capacity of 120 W. Designed for continuous operation in industrial environments.
- Wide Input Voltage Range: Supports universal AC input (100–240 VAC) for global compatibility.
- DIN Rail Mounting: Compact form factor with standard DIN rail mounting for easy integration into control cabinets and industrial enclosures.
- Wide Operating Temperature Range: Designed for operation in extended temperature environments, ensuring reliability in both hot and cold conditions.
- Overload and Short-Circuit Protection: Built-in protection mechanisms safeguard connected devices and the power supply itself.
- High MTBF (Mean Time Between Failures): Ensures long operational life and reduced maintenance requirements.
- Compact and Lightweight Design: Optimized for space-constrained installations while maintaining robust mechanical integrity.
- Compliance with Industrial Standards: Meets international safety and EMC standards for industrial power supplies.
- LED Status Indicators: Provides visual feedback for power and fault conditions.
- Low Ripple and Noise: Ensures clean DC output suitable for sensitive electronic equipment.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model | DRP048V120W1BN |
| Output Power | 120 W |
| Output Voltage | 48 VDC |
| Output Current | 2.5 A |
| Input Voltage Range | 100–240 VAC (universal input) |
| Input Frequency | 47–63 Hz |
| Efficiency | Typically > 85% |
| Power Factor Correction | Passive |
| Operating Temperature | Wide temperature range (industrial-grade) |
| Storage Temperature | -40°C to +85°C |
| Cooling Method | Natural convection (fanless design) |
| Mounting Type | DIN Rail (35 mm standard rail) |
| Dimensions (W x H x D) | Approx. 125 mm x 100 mm x 50 mm (typical for 120W class) |
| Weight | Approx. 0.8–1.0 kg |
| Material | Metal housing with corrosion-resistant coating |
| Protection Features | Overload, overvoltage, short-circuit, over-temperature |
| Isolation Voltage | 3.0 kVAC input to output |
| Hold-up Time | > 20 ms at full load and 230 VAC input |
| Ripple & Noise | < 100 mVp-p at 48 VDC output |
| MTBF | > 300,000 hours (MIL-HDBK-217F) |
| Cooling | Convection-cooled, no moving parts |
| Safety Standards | UL, CE, and EN60950-1 compliant |
| EMC Compliance | EN55022 Class B, EN61000-4-2/3/4/5/6/8/11 |

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### 4. Functionality

The DRP048V120W1BN functions as a regulated DC power supply that converts AC mains input into a stable 48 VDC output suitable for powering industrial networking devices, controllers, sensors, and communication modules. It is designed for DIN rail installation, allowing seamless integration into industrial control panels and enclosures.

How It Works:
1. AC Input Conversion: The unit accepts a wide AC input range (100–240 VAC) and rectifies it to DC internally.
2. Regulation and Filtering: The internal switching regulator stabilizes the output voltage at 48 VDC, ensuring minimal ripple and noise.
3. Protection and Monitoring: Built-in circuits monitor temperature, load, and voltage to prevent damage from overloads or short circuits.
4. Output Delivery: The regulated DC output is delivered through terminal blocks for easy wiring to connected devices.

Use Cases and Applications:
- Industrial Ethernet switches, routers, and gateways
- Programmable Logic Controllers (PLCs)
- SCADA and process control systems
- Factory automation and robotics
- Transportation and railway signaling systems
- Building automation and security systems
- Industrial IoT (IIoT) devices and sensors

Compatibility:
The DRP048V120W1BN is compatible with a wide range of ORing industrial networking products, including Ethernet switches, wireless access points, and media converters. It can also be used with third-party devices requiring 48 VDC regulated power.

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### 5. Components & Accessories

Included Items:
- DRP048V120W1BN Power Supply Unit
- DIN rail mounting clip (pre-installed)
- User documentation and installation guide

Optional Accessories:
ORing provides a comprehensive range of accessories compatible with the DRP048V120W1BN and other DIN rail power supplies:

- Fiber Patch Cords and Adapters:
- FPC-SCSC-MM3M (SC/SC, 62.5/125 μm, 3 m)
- FPC-SCLC-SS3M (SC/LC, 9/125 μm, 3 m)
- FCA-SC-MM (SC/SC adapter, 62.5/125 μm)

- RF Antenna Bases and Cables:
- RFB-M2-150 (N Female Magnetic Base, 1.5 m cable)
- RFC-NM-SMR-1000 (N Male to SMA Male RS, 10 m cable)

- WLAN RF Antennas:
- RFA-P12-WG (2.4 GHz, 12 dBi, N Female connector)
- RFA-O10-NM-WA (5.8 GHz, 10 dBi, N Male connector)

- M-Series Industrial Cables:
- M12C-4M4F-1000D (4-pin M12 Male to Female, 10 m, D-coding)
- M23C-5M00-300 (5-pin M23 Male to Bare Wire, 3 m)

These accessories enable flexible integration of the power supply into complex industrial systems, supporting both wired and wireless connectivity.

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### 6. Installation & Setup

Installation Requirements:
- Standard 35 mm DIN rail mounting surface
- Adequate ventilation space (minimum 25 mm clearance on all sides)
- Ambient temperature within specified operating range
- Proper grounding and wiring according to local electrical codes

Mounting Options:
- Snap-on DIN rail installation for quick setup
- Vertical or horizontal orientation depending on cabinet design
- Secure terminal connections for input and output wiring

Configuration Steps:
1. Mount the power supply onto the DIN rail by pressing it until it clicks into place.
2. Connect the AC input lines (L, N) and protective earth (PE).
3. Connect the DC output terminals (+V, -V) to the load.
4. Verify correct polarity and secure all connections.
5. Power on and check LED indicators for normal operation.

Safety Precautions:
- Ensure power is disconnected before wiring.
- Use appropriate wire gauge for current rating.
- Avoid exposure to moisture or conductive dust.
- Maintain proper ventilation to prevent overheating.

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### 7. Performance & Capabilities

Electrical Performance:
- Output Regulation: ±1% line and load regulation ensures consistent voltage under varying conditions.
- Transient Response: Fast recovery from load changes, maintaining voltage stability.
- Efficiency: High conversion efficiency (>85%) reduces energy loss and heat generation.
- Ripple and Noise: Low output ripple (<100 mVp-p) suitable for sensitive electronics.
- Hold-up Time: Maintains output for >20 ms during input interruptions, preventing system resets.

Thermal Performance:
- Operates reliably in wide temperature ranges, suitable for both indoor and outdoor enclosures.
- Convection cooling eliminates the need for fans, reducing maintenance and noise.

Mechanical Durability:
- Rugged metal housing provides mechanical protection and EMI shielding.
- Designed for vibration and shock resistance in industrial environments.

Limitations:
- Not intended for medical or life-support applications.
- Requires proper ventilation; avoid enclosed spaces without airflow.
- Output power limited to 120 W; for higher loads, use models such as SDR-240-48 or SDR-480-48.

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### 8. Standards & Compliance

The DRP048V120W1BN meets or exceeds major international standards for safety, electromagnetic compatibility, and environmental performance.

Safety Certifications:
- UL 508 (Industrial Control Equipment)
- EN 60950-1 / IEC 60950-1 (Information Technology Equipment Safety)
- CE Marking (Low Voltage Directive and EMC Directive compliance)

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 (Electrical 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)
- WEEE Directive (Waste Electrical and Electronic Equipment)

Quality Assurance:
- Manufactured under ISO 9001-certified quality management system
- 100% factory-tested for performance and safety

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### 9. Additional Information

Warranty:
- Standard 3-year limited warranty covering manufacturing defects and performance failures under normal operating conditions.

Technical Support:
- ORing provides global technical support through its website and authorized distributors.
- Online resources include datasheets, installation manuals, and application notes.

Maintenance:
- Virtually maintenance-free due to fanless design.
- Periodic inspection recommended for terminal connections and ventilation clearance.
- Clean with dry air or soft brush to remove dust accumulation.

Firmware/Hardware Updates:
- As a passive power supply, no firmware updates are required.
- Hardware revisions may be released to improve efficiency or compliance; backward compatibility is maintained.

Service and Replacement:
- Field-replaceable unit; can be swapped without system redesign.
- Compatible with other ORing DIN rail power supplies (e.g., DR-120-48, SDR-240-48).

Manufacturer Contact:
ORing Industrial Networking Corp.
Website: [www.oring-networking.com](http://www.oring-networking.com)
Support Email: support@oring-networking.com
Headquarters: Taiwan

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### Summary

The DRP048V120W1BN is a robust, efficient, and reliable 120 W, 48 VDC DIN rail power supply engineered for industrial and networking applications. With its wide input range, high efficiency, and rugged design, it ensures stable power delivery in demanding environments. The unit’s compliance with international safety and EMC standards, combined with comprehensive protection features, makes it an ideal choice for powering industrial Ethernet devices, automation controllers, and communication systems.

Its compact DIN rail form factor, fanless cooling, and wide temperature tolerance make it particularly suitable for mission-critical installations where reliability and uptime are paramount. Supported by ORing’s extensive accessory ecosystem and global technical support, the DRP048V120W1BN represents a dependable power solution for modern industrial infrastructures.