由其分销商提供的 Altech BRUL 的描述。
Busbar UL 489 Insulation Cap (3 Per Strip) for 115A/480VAC Miniature Circuit Breakers
Altech BRUL Strip of 3 Insulation Caps for unused UL489 busbar pins
BUSBAR INSULATION CAP FOR UL489 BUSBARSYSTEM
Insulation Cap UL489, 3 Per Strip