CIRCUIT BREAKER 3VT1 STANDARD SWITCHING CAPACITY ICU=25KA, 415V AC 4-POLE, SYSTEM PROTECTION OVERCURRENT RELEASE TM, LIN IN= 50A RATED CURRENT IR= 40... 50A OVERLOAD PROT. II= 250... 500A, SHORT-CIRCUIT PROTECTION N CONDUCTOR W/PROTECTION W/O AUXILIARY T