General Description:

CT68 Spring operating mechanism is not only used for ZN12-27.5 indoor railway VCB ,but also used for same type indoor &outdoor VCB.It totally meet technical requirement of GB1984-2003 and IEC56.

Technical feature:

     1.Adopt modular mechanism to easy manufacture and maintain.

     2.Special mechanism design for Complex climate conditions.

     3.Enhancement mechanism for HV and big capacity.

4. Special 27.5KV spring mechanism for electrified railways

5.Mechanism for 63kA generator protect circuit breaker.