Circuit-breaker vl 1600 ul; type pg (cat no. lpx3u160) non-interchangeable frame w. approbation circuit-breaker to ul489 very high switching capacity 3-pole, nema rating 100ka/480v, (molded case circuit breaker) overcurrent release etu, lsig tu= 40 degr. celsius 3 phases/4 cables in= 1600a, rated current isd=1. 5 to 8 x ir, ii=6 x in short-circuit protection ir= 700-1600a overcurrent rel. f. plant protection w/o connection accessories