CONTROL RELAY CURRENT VIGIPACT RHB EARTH LEAKAGE RELAY B-TYPE

VigiPacT RHB is a DIN-rail mounted residual current and earth leakage protection and monitoring relay. It protects people from direct or indirect electric shock, property from fire, and motors from damage. The monitoring relay measures the earth leakage current in the electrical installation using a connected sum current transformer. When the relay's residual current setting value is reached, the circuit breaker connected to the relay opens under the control of the relay's contact signal. The relay can provide alarm information or predictive alarm information. The rated voltage is 100/250VAC 50/400Hz or 100/250VDC. The device is a Type B residual current protector. The residual current detection threshold (IDn) is adjustable from 30mA to 3A via the relay's front panel. The time delay (Dt) can be set from immediate tripping to a delay of up to 10s. The monitored network voltage can be up to 800VAC 50/60/400Hz. The monitoring relay is installed inside the electrical distribution board on DIN rails and has an IP40 protection rating. The device operates together with Schneider Electric Type B current transformers. This product description is an automated translation of the original Finnish description.