Differential relays 01ELR 20-30 | Type A Sensitiveness programmable from 30mA to 3A Function self-retriggering 2 relay outputs 1 isolated digital output RS485 Modbus/Jbus communications >Would you like to see the datasheet ? 02ELR 21-31 | Type B Sensitiveness programmable from 30mA to 3A Function self-retriggering 2 relay outputs 1 isolated digital output RS485 Modbus/Jbus communications >Would you like to see the datasheet ? YOU SEARCH A PRODUCT? Search More results... Generic filters Hidden label Hidden label Hidden label Hidden label Hidden label Date of last modification: 30 August 2017