5SV37466 Siemens GROUND fault circuit breaker, 4-pole, type A, in: 63 A, 500 mA, UN AC: 400 V of the FI switch is the residual current protection device for touch protection
residual current operated circuit breaker, 4-pole, type AC, In: 63 A, 100 mA, Un AC: 400 V Use of these devices is not permitted in all countries. Observe national installation regulations