Circuit-breaker vl 800 ul; type mg (cat no. lmx3d600) 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 lcd etu, li/ls/lsi tu= 40 degr. celsius in= 600a, rated current isd=1. 25 to 10 x ir, ii=10x in short-circuit protection ir= 200-600a overcurrent rel. f. plant protection w/o connection accessories