KYN28A-12(GZS) MV Switchgear Fittings - Chassis Truck, VACDP

• Specification Code:VACDP

VACDP chassis truck definition

Introduction:
Chassis truck is mainly used to hold circuit breaker, transformer and other components in the withdrawable switchgear, as auxiliary operation of components with busbar, when operation with busbar. When operation with internal mechanism of circuit breaker and other interlock mechanism of mid-placed cabinet, it can satisfy the interlock requirement of"5 preventions"stipulated in GB3906.

1. Only when the handcart is under testing/isolating or working position, the circuit breaker can be closed. After that, the handcart is under locked state, which avoids false connecting or making of the spacing contact.
2. When the handcart is under working position or away from testing/isolating position for 10mm, the earthing switch fails to close ,avoid powered false making of the switch.
3. When the earthing switch close ,the handcart can not move from testing/isolating to working position, avoid the switch closing the circuit breaker in mistake.
4. When the chassis enters into cabinet,once away from testing/isolating to working closing the circuit breaker in making.

VACDP -□-□ Chassis truck order notes
1. Indicate the specification of chassis truck,code of lock plate,specification of auxiliary switch(for example:5N0, 3NO&2NC etc).
2. Indicate the earthing method.
3. Please consult with us if you have any special request.

Notel: The specification of auxiliary switch is not the specification of auxiliary state when chassis truck in testing position.