1Z40UL,断路器 Z CHAR, 1POLE, 277VAC, UL489
1Z40UM,断路器 40A Z Characteristic UL 508 1 POLE
1Z4UM,断路器 4A Z Characteristic UL 508 1 POLE
1Z50UL,断路器 Z CHAR, 1POLE, 277VAC, UL489
1Z50UM,断路器 50A Z Characteristic UL 508 1 POLE
1Z5UL,断路器 Z CHAR, 1POLE, 277VAC, UL489
1Z5UM,断路器 5A Z Characteristic UL 508 1 POLE
1Z6UM,断路器 6A Z Characteristic UL 508 1 POLE
