ABB REF542PLUS integrated protection relay
Product Model: REF542PLUS
Product Description: The REF542PLUS is a state-of-the-art protection relay designed for the reliable and efficient protection of electrical power systems, particularly within substations. It offers advanced functionalities including protection, control, monitoring, and communication, ensuring the integrity and safety of electrical installations.
Brand: ABB
Origin: Switzerland
Net Weight: 3.2 kg
Dimensions: 250 mm x 300 mm x 100 mm
Power Supply: 24-250 V DC / 40-250 V AC
Input/Output: 8 configurable digital inputs, 6 relay outputs, 2 analog inputs
Communication Interface: Ethernet IEC 61850, Serial RS-232, RS-485, USB
Use: The REF542PLUS is commonly used in medium to high voltage substations, industrial facilities, and renewable energy applications for transformer protection, feeder protection, and generator protection.
The above parameters are for reference only. Please contact our technical team for precise selection.











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