DF-AAD+
DF-AAD with Arc-Killer and gas exhaust duct
Standard equipment
- Two 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
- Door interlock
- Low voltage compartment
- LS-compartiment
- Capacitive voltage presence indicator sockets with possibility of phase comparison
- Integrated SV-25 Arc-Killer
- Gas exhaust duct on the rear side of the cubicle
Options
- Set of auxiliary contacts on load break switch(es) 1 and/or 2
- Key lock on load break switch(es) 1 and/or 2
- Key lock on earthing switch
- Mechanical interlock between both load break switches
- No door interlock
- Motor operation on load break switch(es) 1 and/or 2: 24-48-110 V AC/DC or 220 V AC
- Earthing switch
- Earthing balls on load break switch(es) 1 and/or 2
- Earthing balls outside the cubicle
- Capacitive voltage presence indicators on load break switch 1 and/or 2
- Plinth of a height of 200 mm, 300 mm or 400 mm (other dimensions on request)
- Floor panels
- Press button control of load break switch(es) 1 and/or 2
- Remote control of load break switch(es) 1 and/or 2
- Current transformers
Specifications and dimensions
Rated voltage | kV | 12 | 17,5 |
---|---|---|---|
Rated current | A | 800-1250 | 800-1250 |
Short time current | kA | 25 | 25 |
Time of the short time current | s | 1 | 1 |
Width | mm | 750 | 750 |
Depth | mm | 1050 | 1050 |
Height | mm | 1700 | 1700 |
Weight | kg | 540 | 540 |
Options for the circuit breaker
- Motor operation *
- Closing coil*
- Tripping coil*
- Current shunt trip *
- Current transformers
- Direct / Time delayed under voltage release *
- Set of auxiliary contacts
- Fault contact
- Supply for protection relay testing (battery bloc)
- Operation counter
- Automatic reclosing
- Push button control on the circuit breaker
- Remote control for 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.