The modular design of QGLR fuse combination switch,multi-polar may supply the choice, has ... combination switches is a kind of multi-poles hand-operated switch, adopting the shell made of unsaturated polyester resin ... off state.Having strong humidiy and resistant properties.The switch has an artistic, novel, succinct, small--sized outline ... 3-93GB13539.1-92GB13539.2-92 QGLR series fuse combination switch