DF-D
Protection cubicle with vacuum circuit breaker and integrated protection relay
Standard equipment
- Three phase load break switch of the type RV44, class E3 according to IEC 62271-102, interruption in SF6
- Vacuum circuit breaker with integrated protection relay, inverter and tripping device
- Interlocked earthing switch with a making capacity of 63 kA placed downstream from the circuit breaker
- Support for cable terminal
- Door interlock
- Capacitive voltage presence indicator sockets
- LV compartment
Options
- Set of auxiliary contacts for the load break switch
- Set of auxiliary contacts for the earthing switch
- Key lock on the load break switch
- Key lock on the earthing switch
- Key lock on both
- No door interlock
- Motor operation on the load break switch: 24-48-110 V AC/DC or 220 V AC
- Short circuit indicator (to be specified by the customer at order)
- Earthing balls upstream from the circuit breaker
- SF6 circuit breaker
- Voltage presence indicators
- Plinth with a height of 200 mm, 300 mm or 400 mm (other dimensions available on request)
- Floor panels
- Push button control on the load break switch
- Remote control of the load break switch
Specifications and dimensions
Rated voltage | kV | 12 | 17,5 | 24 |
---|---|---|---|---|
Rated current | A | 800/1250 | 800/1250 | 630 |
Short time current | kA | 25 | 25 | 20 |
Time of the short time current | s | 1 | 1 | 1 |
Width | mm | 750 | 750 | 750 |
Depth | mm | 1050 | 1050 | 1050 |
Height | mm | 1700 | 1700 | 1700 |
Height between the bottom and cable terminal box | mm | 445 | 445 | 445 |
Weight | kg | 460 | 460 | 460 |
Options for the circuit breaker
- Motor operation *
- Closing coil *
- Tripping coil*
- Direct/time delayed under voltage release *
- Set of auxiliary contacts
- Fault contact
- Test feeding for the protection relay (battery block)
- Operation counter
- Automatic reclosing
- Push button control on the circuit breaker
- Remote control of the circuit breaker
- Key interlock
* available voltages: 24 V AC/DC, 48 V AC/DC, 110 V AC/DC, 220 V AC
Requested specifications for the VA-2 circuit breaker: Short time current, rated current, rated voltage, power to be protected.