ABB***代理Emax/Emax2空气断路器大电流好价格ABB正规代理-******断路器产品Emax2新型低压空气断路器框架脱扣器*********PR121/P-LIPR121/P-LSIPR121/P-LSIGPR122/P-LIPR122/P-LSIPR122/P-LSIGPR123/P-LSIPR123/P-LSIG1SDA058189R11SDA058193R11SDA058195R11SDA058196R11SDA058197R11SDA058198R11SDA058199R11SDA058200R1)