1. 该产品适用于50hz、380v,14~190kw三相异步电动机 不频繁自耦降压起动用; 2. 钢板焊接外壳,表面喷塑; 3. 内装有自耦变压器、交流接触器、热过载继电器、时间 继电器、熔断器、指示灯等元件; 4. 具有过载、断相保护功能; 5. 钢管或电缆布线; 6. 可根据用户要求特制。 7. 符合gb3836-2000、iec60079, gb12476.1-2000、ie-c61241 标准要求。 bqj51系列防爆自耦减压电磁启动箱(ⅱb) | 1. this product applies to 50hz、380v、14~190kw 3- phase asynchronous motors infrequently self-coupling step-down start; 2. steel plate welded shell with plastic-sprayed surface; 3. inside mounted auto-transformer, ac contactor thermal relay, time-relay, intermediate relay, fuser and indicator etc; 4. possessing the guarding function against overload、 under-voltage and phase failure; 5. steelpipe and cable wiring; 6. can be customized according to users requirements. 7. suitable for gb3836-2000、iec60079, gb12476.1-2000、 iec61241 standard request. |