Vacuum Circuit Breaker Chassis Truck
Chassis truck designed as auxiliary parts for withdrawable type vacuum circuit breaker switchgear. It features precision alignment mechanisms, locking systems and a robust framework for supporting VCB equipment.
Technical Specifications
Product Overview
Professional Switchgear Chassis Truck
This circuit breaker handcart is designed for reliable integration within withdrawable switchgear units. It features a robust mechanical interlock system that fully complies with GB3906 standards for 'Five-Preventing' safety operations. The unit ensures secure positioning and seamless electrical isolation, providing critical protection against improper operation during maintenance and switching cycles.
Safety & Interlocking
- Safety Features
- Prevents on-load pullingEarthing switch lockoutFalse closing preventionSecure insertion/withdrawalGB3906 Compliant
Technical Specifications
Auxiliary Switch Contacts
| Component | Pairs | Type |
|---|---|---|
| S8 Switch | 5 | NC |
| S9 Switch | 5 | NO |
Auxiliary Switch Capacity
15 A
Rated Current
Operation & Control
Operational Logic
- Circuit breaker can only make in testing/isolating or working positions
- Handcart cannot move when in closed state to prevent on-load pulling
- Earthing switch is locked out when handcart is in working position
- Handcart remains locked in cabinet unless in isolated position
