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主页 » 产品 » DF-2 » DF-AAD

DF-AAD

Protection cubicle with double interruption

Application: Protection, of outgoing feeders for transformers and MV equipment, with circuit breaker and double interruption upstream and downstream of the busbar.

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/without integrated protection relay
  • Door interlock
  • Low voltage compartment
  • LS-compartiment
  • Capacitive voltage presence indicator sockets with possibility of phase comparison

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 24
Rated current A 800-1250 800-1250 630
Rated short time current kA 25 25 20
Time of the rated short time current s 1 1 1
Width mm 750 750 750
Depth mm 1050 1050 1050
Height mm 1700 1700 1700
Weight kg 510 510 510

Options for the circuit breaker

  • Motor operation*
  • Closing coil*
  • Tripping coil *
  • Shunt trip *
  • Current transformer
  • 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.

Any questions?

Feel free to contact us for more information!

Yun Wang
Yun WangPlant Manager
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