Circuit-breaker vl 150 ul; type dg (cat no. hdx3u060) 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, lsig tu= 40 degr. celsius 3 phases/4 cables in= 60a, rated current isd=1. 5 to 10 x ir, ii=11x in short-circuit protection ir= 30- 60a overcurrent rel. f. plant protection w/o connection accessories w/o aux. release