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主页 » DF-AAD+

DF-AAD+

DF-AAD with Arc-Killer and gas exhaust duct

Application: Protection of outgoing feeders with transformers or MV equipment by means of a circuit breaker and double interruption upstream and downstream of the busbar

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.

Any questions?

Feel free to contact us for more information!

Yun Wang
Yun WangPlant Manager
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