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DRH-120-48 Power Supply 340-550VAC 2 phase input, output 48 volts DC 2.5 Amps
Meanwell DRH-120-48 industrial DIN rail power supply, a 120W 48V DC power supply designed for reliable industrial automation and control systems.
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Why Choose the Meanwell DRH-120-48 Industrial DIN Rail Power Supply?
The Meanwell DRH-120-48 is a high-performance 120 W industrial DIN rail power supply designed to provide reliable 48 V DC power for industrial automation, control systems and electrical equipment. As part of the advanced Meanwell DRH-120 series, it is engineered for applications requiring stable DC output from high-voltage AC input systems.
This power supply delivers efficient and dependable power conversion with a compact DIN rail mounting design, making it suitable for control cabinets and industrial installations. The DRH-120 series incorporates built-in protection functions including short circuit, overload, over voltage and over temperature protection to support safe and continuous operation.
With a rated output power of 120 W, a 48 V DC output and a rated current of 2.5 A, the Meanwell DRH-120-48 is ideal for powering automation devices, industrial controllers and electrical systems requiring a dependable DC power source from a 340–550 V AC supply.
Key Advantages
- 120 W industrial DIN rail power supply for reliable automation power applications.
- 48 V DC output with 2.5 A rated current for industrial control equipment.
- 340–550 V AC input range suitable for high-voltage industrial power systems.
- Compact DIN rail mounting design for efficient panel installation.
- Built-in protection against short circuit, overload, over voltage and over temperature.
- Free air convection cooling reduces maintenance requirements.
Key Features
- Meanwell DRH-120 series industrial power supply.
- 120 W rated output power.
- 48 V DC rated output voltage.
- 2.5 A rated output current.
- 340–550 V AC input voltage range.
- DIN rail mounting compatible with TS-35/7.5 and TS-35/15 rails.
- Built-in constant current limiting circuit.
- Short circuit, overload, over voltage and over temperature protection.
- Adjustable output voltage range of 48–55 V DC.
Reliable DC Power for Industrial Automation Systems
Industrial DIN rail power supplies such as the Meanwell DRH-120-48 provide stable DC voltage conversion for sensitive electrical equipment, helping maintain reliable operation of control systems, automation hardware and industrial electronics.
The DRH-120 series is designed for demanding industrial environments where efficient power conversion, compact installation and integrated protection features are required. Its robust construction makes it suitable for use in electrical cabinets, machinery and process control applications.
Typical Applications
- Industrial automation control panels.
- PLC and control system power supplies.
- Factory machinery and production equipment.
- Industrial communication and monitoring systems.
- Electrical cabinets and distribution panels.
- Process control and instrumentation equipment.
Technical Specifications
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| Input Voltage Range | 380–500 V AC | |
|---|---|---|
| Phase | 2 Phase | |
| Mounting Type | DIN rail | |
| Device Type | DIN rail PSU | |
| Current | 2.5 A | |
| Input Voltage | 340–550 V AC | |
| Output Voltage | 48 V DC | |
| Output Power (W) | 120 W | |
| Mounting | DIN rail | |
| Manufacturer | Meanwell | |
| Series | DRH-120 | |
| Model | DRH-120-48 | |
| Product type | Industrial DIN rail power supply | |
| Rated output power | 120 W | |
| Output voltage | 48 V DC | |
| Output current | 2.5 A | |
| Output voltage adjustment range | 48–55 V DC | |
| Input voltage | 340–550 V AC | |
| Input frequency | 47–63 Hz | |
| Efficiency | approx. 86% | |
| Protection rating | IP20 | |
| Cooling method | Free air convection | |
| Mounting type | DIN rail mounting | |
| Operating temperature | -20 to +60 °C | |
| Dimensions (W × H × D) | 65.5 × 125.2 × 100 mm | |
| Weight | approx. 0.75 kg |
Frequently Asked Questions
What is the Meanwell DRH-120-48 used for?
The DRH-120-48 is an industrial DIN rail power supply designed to provide stable 48 V DC power for automation systems, control equipment and industrial electronics.
What output voltage does the DRH-120-48 provide?
The power supply provides a 48 V DC output with a rated current of 2.5 A.
What input voltage does the DRH-120-48 require?
The DRH-120-48 operates from a 340–550 V AC input supply suitable for industrial high-voltage applications.
What protection features are included?
The power supply includes protection against short circuit, overload, over voltage and over temperature conditions.
Where can the DRH-120-48 be installed?
The unit is designed for installation inside electrical control cabinets using standard DIN rail mounting.
Trusted by Industrial Automation Professionals
Meanwell DRH series power supplies are widely used by engineers and system integrators to provide dependable DC power conversion for modern industrial automation and control applications.
