DF-3 D
Protection cubicle with vacuum circuit breaker and integrated protection relay
Standard equipment
- Three phase load break switch of the type RV 44, class E3 according to IEC 62271-103, interruption in SF6
- Vacuum circuit breaker with integrated protection relay, inverter and tripping device
- Interlocked earthing switch with a making capacity of 63 kA upstream from the circuit breaker
- Support for cable termination box
- Door interlock
- Sockets for capacitive voltage presence indicators
- LV compartment
Options
- Set of auxiliary contacts for the load break switch
- Set of auxiliary contacts on 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 of the load break switch: 24-48-110 V AC/DC or 220 V AC
- Short circuit indicator (to be specified by the customer)
- Earthing balls upstream from the circuit breaker
- SF6 insulated circuit breaker
- Voltage presence indicator
- 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 for the load break switch
Specifications and dimensions
Rated voltage | kV | 12 | 17,5 | 24 |
---|---|---|---|---|
Rated current | A | 630 | 630 | 630 |
Short time current | kA | 20 | 20 | 20 |
Time of the short time current | s | 1 | 1 | 1 |
Width | mm | 675 | 675 | 675 |
Depth | mm | 950 | 950 | 950 |
Height | mm | 1500 | 1500 | 1500 |
Height between the bottom and the cable terminal box | mm | 360 | 360 | 360 |
Weight | kg | 460 | 460 | 460 |
Options for the circuit breaker
- Motor operation *
- Closing coil*
- Tripping coil *
- Direct / time delayed under voltage coil *
- Set of auxiliary contacts
- Fault contact
- Supply for protection relay testing (battery bloc)
- Operation counter
- Automatic reclosing
- Push button control of the circuit breaker
- Remote control of the circuit breaker
- Key lock
* 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