Circuit-breaker vl 400 ul; type jg (cat no. hjx3x250) non-interchangeable frame w. approbation circuit-breaker to ul489 high switching capacity 3-pole, nema rating 65ka/480v, (molded case circuit breaker) overcurrent release etu, lig tu= 40 degr. celsius 3 phases/4 cables in= 250a, rated current ii= 1. 25 to 11 x in, short-circuit protection ir= 70-250a overcurrent rel. f. plant protection w/o connection accessories