General
Model	Through-feed current converter
Over current limiting factor	FS 5
Opening diameter	60
Number of primary inputs	1
Secondary connection	Screw connection
With shock protection
Snap mounting
With copper rail
Calibrated

Residual current relays RD2 or RD3 can measure or detect leakage currents or fault currents to earth using a toroidal transformer TR and, if necessary, switch them off using a suitable protective device (e.g. automatic circuit breaker).