DZ518(GV2 GV3)series motor protecting breaker adopts the design of module,It has beautifulshape,small value,complete range of function and reliable performance.DZ518 series is conformity with IEC60947.2, IEC60947-4.1, andEN60947-1 standards,Switch an contactor can make up the starting of the motor The prection grade of the case of DZ518 series can reach IP55. DZ518 series has three types of products. DZ518(GV2-M)series is button-controlling motor with hot magnetic protecting breaker,DZ518(GV20-Rs)series is switch-shifting controlling motor with hot mangnetic protecing breaker,DZ518(GV2-LS) serrues is switch-shifting controlling motor with magnetc protecting breaker.