1. 鑄鋁合金外殼，表面噴塑；
2. 適用于電壓380V，電流10-400A電氣裝置和配電系統中作不頻繁
切換電路及短路保護用；
3. 內裝元件由刀開關和熔斷器組合而成，能快速接通與分斷；
4. 鋼管或電纜布線。

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.