CIRCUIT-BREAKER, 3-POLE FOR MOTOR PROTECTION IR=250-500A, ICU=65KA/415V WITH OVERCURRENT RELEASE AN N-REL. 15 X IN, FIXED-MOUNTED TRIP CLASS ADJUSTABLE WITH PHASE-FAILURE SENSITIVITY W/O AUXILIARY RELEASE WITH 2 AUXILIARY SWITCHES + 1 ALARM SWITCH FOR VERSION W/O AUX. RELEASE WITH CONNECTING LEADS