Four Way Type
Spring Circuit Breaker Unit (Vb)
Spring Circuit Breaker Unit (Vb)
- Vacuum circuit breaker with spring mechanism
- Three-position disconnector/earthing switch
- 630A busbar
- Circuit breaker operation mechanism
- Disconnector / earthing switch operation mechanism
- Indicator of tripping/closing positions of circuit breaker
- Circuit breaker energy storage indication
- Indicator of tripping/closing positions of disconnector
- Indicator of tripping/closing positions of earthing switch
- Bushing of front outgoing line
- A capacitive voltage indicator indicating the electrical lower bushing
- Interlock device (circuit breaker, earthing switch, disconnector and cable chamber door)
- SF6 gas pressure gauge (one for each gas tank)
- Nameplate (one for each gas tank)
- Hand crank (one for each gas tank)
- Electric operation mechanism of circuit breaker 24/48V DC 110/220V AC (DC)
- Reserved busbar extension
- External busbar
- Short-circuit grounding fault indicator (panel type)
- Ammeter, Voltmeter, Multifunction Meter
- Cable plug or prefabricated lightning arrester
- Auxiliary contact
- Secondary chamber
- Protection device
- Current transformer (CT)
- Tripping coil
