CIRCUIT-BREAKER VL 250 UL TYPE FG (CAT NO. NFK3B175) NON-INTERCHANGEABLE FRAME W. APPROBATION CIRCUIT-BREAKER ACC. UL489 STANDARD BREAKING CAPACITY 3-POLE, NEMA RATING 35KA@480V AND 18KA@600/347V (MOLDED CASE CIRCUIT BREAKER) OVERCURRENT RELEASE TM, LI TU= 40 DEGR. CELSIUS IN=175A, RATED CURRENT II= 1000...2000A SHORT-CIRCUIT PROTECTION IR= 175A OVERCURRENT RELEASE F. PLANT PROTECTION W/O CONNECTION ACCESSORIES WITHOUT AUXILIARY RELEASE WITHOUT AUXILIARY/ALARM SWITCH