busbar adapter 60mm sys. ul508 busbar system 60mm busbar thickness: tt-profile ul rating 240-600v/540a usable in feeder circuits for 3vl circuit breaker with tube contacting for cable feeder top/bottom adapter length 296mm adapter width 140mm for vl400 ul, jg-frame for vl400x ul, lg-frame Вес(кг): 1.9
