... series mcb+rccb+isolating switch for Ukraine, Russia markets circuit breaker, contactorDC contactor KT6022KT6023,CKJ5,HR6,FZN16new series mcb+rccb+ ... . Shanghai CET Group have 7 branches in China to produce:Circuit breaker: mcb, rccb, mccb, rcbo.AC contactor: LC1-D, ... hours timer, weekly timer, General relay and sockets.Distribution box: Metal box and plastic, different way and size.Stabilizer: SVC, ...