Chinfa WRA120-24 | 24V 120W 3-Phase Power Supply
£64.70
AC-DC PSU. Power: 120W Input: 340-575 Vac Output: 12-24 Vdc
WRA120 Series from Chinfa, 120 W ac-dc DIN-rail for industrial control applications.
Featuring universal input, protected outputs and a wider 120 W performance range.
9 in stock (can be backordered)
Description
The Chinfa WRA120-24 is a compact three-phase DIN rail power supply designed for industrial automation, machinery and control-panel applications. It delivers a regulated 24VDC output at up to 5A, providing 120W of continuous output power.
A wide three-phase input range of 340 to 575VAC allows the WRA120-24 to operate from common industrial 400V and 480V supplies. Its compact metal enclosure and high efficiency make it suitable for installations where dependable 24VDC power is required from a three-phase source.
Natural convection cooling and integrated protection against short circuit, overload, overvoltage and overtemperature help support reliable operation in industrial control cabinets.
Chinfa WRA120-24 24V 5A Three-Phase DIN Rail Power Supply
A compact 120W industrial power supply with a wide three-phase AC input and regulated 24VDC output.
The WRA120-24 converts a three-phase industrial AC supply into a stable 24VDC output for machinery, process equipment and automation systems. Its 5A output capacity is suitable for PLCs, HMIs, remote I/O, sensors, relays and other industrial control loads.
Typical Applications
The Chinfa WRA120-24 is suitable for applications including:
- Industrial automation and machinery
- PLC, HMI and remote I/O systems
- Sensors, relays and control equipment
- Process-control and factory-automation systems
- Packaging and material-handling machinery
- Industrial communications and monitoring equipment
- Three-phase control panels requiring 24VDC power
Wide Three-Phase Input
The WRA120-24 accepts a three-phase input from 340 to 575VAC, allowing operation from common industrial mains supplies without requiring a neutral connection.
120W Regulated Output
The power supply delivers a nominal 24VDC output at up to 5A, providing 120W of continuous power for industrial control and automation equipment.
High-Efficiency Operation
Typical efficiency of 89% helps reduce internal losses and heat generation, supporting dependable operation inside industrial enclosures.
Integrated Protection
Short-circuit, overload, overvoltage and overtemperature protection help safeguard the power supply and connected equipment during abnormal operating conditions.
Compact Metal Enclosure
The WRA120-24 is housed in a robust metal enclosure measuring 124 x 74.3 x 118.8mm. It mounts directly onto a standard 35mm DIN rail and uses natural convection cooling.
Key Features
The principal electrical, protection and installation characteristics of the Chinfa WRA120-24.
- Product type: Three-phase industrial DIN rail AC-DC power supply
- Input: Three-phase 340 to 575VAC
- Nominal output voltage: 24VDC
- Maximum output current: 5A
- Rated output power: 120W
- Typical efficiency: 89%
- Protection: Short circuit, overload, overvoltage and overtemperature
- Cooling: Natural convection
- Operating temperature: -40 to +71°C, subject to derating
- Mounting: 35mm DIN rail
- Dimensions: 124 x 74.3 x 118.8mm
- Weight: Approximately 800g
- Warranty: 3 years
- Country of origin: Taiwan
Technical Specification
Electrical, protection, environmental and mechanical information for product selection and system design.
| Specification | Details |
|---|---|
| Manufacturer | Chinfa Electronics |
| Model Number | WRA120-24 |
| Series | WRA120 |
| Product Type | Three-phase industrial DIN rail AC-DC power supply |
| Number of Outputs | 1 |
| Input Phases | Three phase |
| AC Input Voltage | 340 to 575VAC, three phase |
| Nominal Output Voltage | 24VDC |
| Rated Output Current | 5A |
| Rated Output Power | 120W |
| Typical Efficiency | 89% |
| Ripple and Noise | Approximately 100mV peak-to-peak |
| Line Regulation | Approximately ±1% |
| Load Regulation | Approximately ±1% |
| Operating Temperature | -40 to +71°C, subject to output derating |
| Storage Temperature | -40 to +85°C |
| Relative Humidity | Up to 95% RH, non-condensing |
| MTBF | Approximately 559,000 hours |
| Cooling Method | Natural convection |
| Connections | Screw terminals |
| Enclosure Material | Metal |
| Dimensions | 124 x 74.3 x 118.8mm |
| Weight | Approximately 800g |
| Mounting | 35mm DIN rail |
| Warranty | 3 years |
| Country of Origin | Taiwan |
Available Model
This product page covers only the 24V version of the Chinfa WRA120 series.
| Model Number | Input Voltage | Output Voltage | Output Current | Power Rating |
|---|---|---|---|---|
| WRA120-24 | 3-phase 340–575VAC | 24VDC | 5A | 120W |
Technical Support from Relec Electronics
As part of the Relec Electronics group, Dinrail Power benefits from over 45 years of experience supplying industrial electronic components and power solutions. Our engineering team can provide technical guidance, product selection support and assistance with three-phase DIN rail power supplies and complex industrial power requirements. For alternative solutions, customised options or specialist technical advice, visit the Relec Electronics website.
Additional information
| Weight | 270 g |
|---|---|
| Dimensions | 114 × 90 × 54 mm |
| Output Voltage | 12 Vdc, 24 Vdc |
| Power | 120 W |
| Phase | Three-Phase |
| Model | WRA120-12A, WRA120-24A |
| Filter by Power Rating | 120 W |
