| 2. | Mating corresponding vacuum contactor switch is for electric power , metallurgy , mine , chemical controlling and protecting , it is suitable for location that has bad load and frequent operation 配套相应的真空接触器开关可用于电力、冶金、矿山、化工等部门的配电系统作控制和保护,特别适合投切恶性负载和需频繁操作的场所。 |