ABB REF542PLUS

Description

Parameters and Specifications:

• Input Voltage: 200~250 VAC, 47~63 Hz¹.
• Output Voltage: 24 VDC¹.
• Output Current: 20A¹.
• Power: 480W².
• Working Temperature: -25°C to +70°C¹.
• Efficiency: Over 90% (due to high-efficiency switching power supply technology)¹.

Dimensions and Weight:

• Dimensions: 225 mm x 110 mm x 50 mm (for the power module)¹.
• Weight: 2.0 kg (for the power module)¹.
• Panel Opening Size for HMI: 240.5 x 140.5 mm².

Series:

• REF542PLUS is a part of ABB’s distribution automation product line

Features:

• Integrated Functionality: Combines protection, control, measurement, communication, and monitoring in a single unit³⁴.
• Flexible Configuration: Can be used for feeder protection, transformer protection, motor protection, and control³⁵⁶.
• Graphic Human-Machine Interface (HMI): Supports Chinese and allows for on-site configuration, monitoring, and control²³⁴⁵.
• Communication Protocol: Supports multiple communication protocols, including IEC61850³⁵⁶.
• High Reliability: Uses high-quality components and manufacturing processes¹⁵.
• Ease of Integration: Can seamlessly integrate with other ABB distribution automation products and third-party substation automation systems

Applications:

• REF542PLUS is an excellent solution for digital control and protection of medium-voltage switchgear, whether or not equipped with a backend system⁵⁶.
• It is suitable for various industrial applications requiring high reliability and flexibility in protection, control, measurement, and communication³