1. 铸铝合金外壳，表面喷塑；
2. 适用于电压380V，电流10-400A电气装置和配电系统中作不频繁
切换电路及短路保护用；
3. 内装元件由刀开关和熔断器组合而成，能快速接通与分断；
4. 钢管或电缆布线。

1. Diecasted Al-alloy shell with plastic-sprayed surface;
2. Apply to infrequenty change-over circuit and short-circuit protection
for the electrical appliance at 380V and 10-400A and distribution
system;
3. In-built elements are made up of knife switch and fuse It can be quickly
cut on/off;
4. Steelpipe and cable wiring.