General
Model	Through-feed current converter
Secondary rated apparent power	5
Over current limiting factor	FS 5
Opening diameter	18
Number of primary inputs	1
Secondary connection	Plug-in 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).