• EN
  • CH/ZH
Deba Ningbo EN
  • Home
  • Products
  • Services
  • Downloads
  • Careers
  • Contact
Home » DF-3 D

DF-3 D

Protection cubicle with vacuum circuit breaker and integrated protection relay

Application: Protection for outgoing feeders with circuit breaker, for transformer and MV-equipment protection.

Standard equipment

  • Three phase load break switch of the type RV 44, class E3 according to IEC 62271-103, interruption in SF6
  • Vacuum circuit breaker with integrated protection relay, inverter and tripping device
  • Interlocked earthing switch with a making capacity of 63 kA upstream from the circuit breaker
  • Support for cable termination box
  • Door interlock
  • Sockets for capacitive voltage presence indicators
  • LV compartment

Options

  • Set of auxiliary contacts for the load break switch
  • Set of auxiliary contacts 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 of the load break switch: 24-48-110 V AC/DC or 220 V AC
  • Short circuit indicator (to be specified by the customer)
  • Earthing balls upstream from the circuit breaker
  • SF6 insulated circuit breaker
  • Voltage presence indicator
  • 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 for the load break switch

Specifications and dimensions

Rated voltage kV 12 17,5 24
Rated current A 630 630 630
Short time current kA 20 20 20
Time of the short time current s 1 1 1
Width mm 675 675 675
Depth mm 950 950 950
Height mm 1500 1500 1500
Height between the bottom and the cable terminal box mm 360 360 360
Weight kg 460 460 460

Options for the circuit breaker

  • Motor operation *
  • Closing coil*
  • Tripping coil *
  • Direct / time delayed under voltage coil *
  • Set of auxiliary contacts
  • Fault contact
  • Supply for protection relay testing (battery bloc)
  • Operation counter
  • Automatic reclosing
  • Push button control of the circuit breaker
  • Remote control of 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

Copyright © 2019 - Deba Ningbo
DF-3 P DF-3 A Scroll to top