650mm Width VCB Cassette

650mm width VCB Cassette
650mm width VCB Cassette
650mm width VCB Cassette
650mm width VCB Cassette
650mm width VCB Cassette
Usage and function

Cradle mainly used for switch equipment to install circuit breaker,transformer and other components,push and exit it,play a supplementary role in connecting the components with the busbar.

When cradle works with the internal mechanism of circuit breaker and other switchgear interlocking mechanism,can meet the interlock requirement of GB3906-five prevention.

1.In handcart  in test/isolation or work position , circuit breaker can switch on,but circuit breaker switch on later, the handcart cann't  move ,thus it prevent the belt point error close grounding switch.

2..handcart in work position or leaving test/isolation position about 10mm,earthing switch isn't switching on   to prevent the belt point error close grounding switch.

3.when earthing switch is switching on ,the handcart can't move from test/isolation position ,to prevent earthing   switch switching on position closing circuit.

4.when the cradle into the cabinet,once leaving in test /isolation position,handcart can't withdraw from the cabinet.

Type meaning
Configuration and installation dimensions for DPC-4- Chassis Truck
Lock plate for Chassis Truck

The handle
Chassis truck earthing methods

 
Earthing contactor
Earthing Clamp
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