ABB REF542PLUS integrated protection relay
Product Model: REF542PLUS
Product Description: The REF542PLUS is a versatile and advanced protection relay designed for the management of electrical grids, particularly in medium voltage applications. It integrates protection, control, measurement, and monitoring functions, ensuring reliable performance and enhanced operational safety.
Brand: ABB
Origin: Switzerland
Net Weight: 3.5 kg
Dimensions: 300 mm x 200 mm x 150 mm
Power Supply: 85-265 VAC / 110-300 VDC
Input/Output: 6 digital inputs, 4 digital outputs, 2 analog inputs, 2 relay outputs
Communication Interface: Ethernet IEC 61850, RS-485, Modbus, and Profibus
Use: Typically used in substations, industrial facilities, and power distribution networks for transformer and feeder protection, monitoring, and control applications.
The above parameters are for reference only. Please contact our technical team for precise selection.











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