Product features
Differential relay Type B 230 Vac. 2 outputs (pre-alarm and alarm), 3-digit LCD screen that allows the display of: Instant IDn, leakage current limit and time. IDn: 0.03 to 3 A. 2 DIN modules. No calibration required during installation. General features
All relays can be used in the selectable positive or negative safety mode and perform the permanent automatic continuous check of the connection with the differential thorium transformer (Del - Del A).