DZ518(GV1,GV2,GV3)the series electric motor protection circuit breaker, uses the modular design, the contour is artistic, the volume is small, breaks protects, inside sets Hot Relay, the function is strong, the versatility is good. The DZ518 series conforms to IEC60947.2 and IEC60947-4.1 as well as the EN60947-1 standard.