Circuit-breaker vl 150 ul; type dg (cat no. ndx3e150) non-interchangeable frame w. approbation circuit-breaker to ul489 standard switching capacity 3-pole, nema rating 35ka/480v, (molded case circuit breaker) overcurrent release lcd etu, lsig tu= 40 degr. celsius 3 phases/4 cables in= 150a, rated current isd=1. 25 to 10 x ir, ii=11x in short-circuit protection ir= 60-150a overcurrent rel. f. plant protection w/o connection accessories