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主页 » DF-D+/EDN

DF-D+/EDN

DF-D/EDN with Arc-Killer and gas exhaust duct

Application: Protection of outgoing feeder with circuit breaker for transformers and MV equipment

Standard equipment

  • Three phase load break switch of the type RV44, class E3 according to IEC 62271-102 interruption in SF6
  • Vacuum circuit breaker
  • Interlocked earthing switch with a making capacity of 63 kA downstream from the circuit breaker
  • Support for cable terminal box
  • Door interlock
  • Sockets for capacitive voltage presence indicator
  • Voltage presence indicators
  • LV compartment
  • Integrated SV-25 Arc-Killer
  • Gas exhaust duct at the rear side of the cubicle.

Options

  • Protection relay (to be specified by the customer)
  • Current transformers (to be specified by the customer)
  • Set of auxiliary switches on the load break switch
  • Set of auxiliary switches 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 on the load break switch: 24-48-110 V AC/DC and 220 V AC
  • Short circuit indicator (to be specified by the customer)
  • Earthing balls upstream of the 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
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
Height betweem bottom and cable terminal box mm 445 445
Weight kg 490 490

Options for the circuit breaker

  • Motor operation*
  • Closing coil*
  • Tripping coil *
  • Direct / time delayed under voltage release *
  • Set of auxiliary contacts
  • 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 specification 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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