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主页 » 产品 » DF-2 » DF-D

DF-D

Protection cubicle with vacuum circuit breaker and integrated protection relay

Application: Protection of outgoing feeders with vacuum circuit breaker for transformer 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 with integrated protection relay, inverter and tripping device
  • Interlocked earthing switch with a making capacity of 63 kA placed downstream from the circuit breaker
  • Support for cable terminal
  • Door interlock
  • Capacitive voltage presence indicator sockets
  • LV compartment

Options

  • Set of auxiliary contacts for the load break switch
  • Set of auxiliary contacts for 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 or 220 V AC
  • Short circuit indicator (to be specified by the customer at order)
  • Earthing balls upstream from the circuit breaker
  • SF6 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 24
Rated current A 800/1250 800/1250 630
Short time current kA 25 25 20
Time of the short time current s 1 1 1
Width mm 750 750 750
Depth mm 1050 1050 1050
Height mm 1700 1700 1700
Height between the bottom and cable terminal box mm 445 445 445
Weight kg 460 460 460

Options for the circuit breaker

  • Motor operation *
  • Closing coil *
  • Tripping coil*
  • 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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