ABB REF542plus is a Motor Protection and Control Relay that offers comprehensive protection functions for motors in various industrial applications.

Product Name:

ABB REF542plus Motor Protection and Control Relay

Product Description:

The REF542plus is a versatile relay that provides motor protection, control, and monitoring functionalities in a compact and user-friendly design. It is suitable for use in applications where reliable motor protection is crucial.

Product Parameters and Specifications:

– Rated Voltage: 24-48 V DC, 110-250 V DC, 115-240 V AC
– Frequency: 50/60 Hz
– Communication Interfaces: Modbus RTU, Profibus DP, IEC 60870-5-103
– Protection Functions: Overload, overcurrent, short-circuit, thermal, ground fault, phase unbalance, undercurrent, reverse power, etc.
– Control Functions: Start/Stop, soft starter, motor direction reversal, motor acceleration control
– Monitoring Functions: Motor status, temperature monitoring, event logging
– Enclosure: IP30 or IP40 protection
– Operating Temperature: -20°C to +70°C

Product Use:

The ABB REF542plus is used to protect and control induction motors, synchronous motors, and other types of motors in industrial applications such as pumps, fans, conveyors, compressors, and more. It is suitable for use in various industries including manufacturing, oil and gas, water/wastewater treatment, and utilities to ensure reliable operation and extended motor life.