DI-2, modular gas insulated switchgear

The DI-2 system is a modular concept based on the building blocks principle, which means that cubicles are produced in series. As a result, the modular DI-2 concept meets the highest technical standards in a rational, economically sound way. The combination of cubicles is unlimited. Very complex diagrams of distribution and transformer switchgear can be compiled through this extensive spectrum of possibilities.

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Medium voltage switchgear, built to withstand severe conditions

Built to withstand severe conditions (new)

Our Arc-Killers extinguish an arc in 48 milleseconds

SGC nv SwitchGear Company’s patented SV-25 and SV-50 Arc-Killers takes safety to a new level. Not just the operator and the environment are shielded from harm, but the super-swift arc extinguishing system allows cubicles to be back in operation very quickly in case of an internal fault.

Our DI-2 line-up

DI-A - Incoming cubicle or cable field with load break switsch and interlocked earthing switchSupply cable connection

Standard equipment

  • Triple-phase load break switch RV36, class E3 according to IEC 62271-103, SF6-insulation
  • Integrated interlocked earthing switch with making capacity up to 50 kA
  • Cable support
  • Door interlock
  • Sockets for capacitive voltage detector with parallel testing possibility HR/LR
  • Low-voltage compartment

Options

  • Set of auxiliary contacts on load break switch
  • Set of auxiliary contacts on earthing switch
  • Key interlock on load break switch
  • Key interlock on earthingswitch
  • Key interlock on both
  • No door interlock
  • Motor operation: 24-48-110 V – DC or 110-220 V AC
  • Short-circuit indicator (to be specified by the customer when the order is placed)
  • Voltage indicators
  • Cubicle base: 200 mm, 300 mm or 400 mm height (Other dimensions on request)
  • Floor panels
  • Button press control
  • Remote control

Specifications and dimensions

Rated voltage kV 36
Rated current A 630
Short-term current kA 20
Time of the short duration of current s 3
Width mm 418
Depth mm 760
Height mm 1790
Height between ground and end socket mm 790
Height between ground and cable support mm 310
Weight kg 225
IAC AFL 16 kA – 1 s

DI-P - Transformer protection cubicle with load break switch/fuse combinationTransformer protection and MV-equipment protection

Standard equipment

  • Triple-phase load break switch RV36, class E3 according to IEC 62271-103, SF6-insulation
  • Double earthing switch with mutual interlock
  • Socket for HRC fuses:
  • Door interlock
  • Sockets for capacitive voltage detector with parallel testing possibility HR/LR
  • Low-voltage compartment
  • Three phase tripping in case of fuse trip

Options

  • Set of auxiliary contacts on load break switch
  • Set of auxiliary contacts on earthing switch
  • Key interlock on load break switch
  • Key interlock on the earthing switch
  • Key interlock on both
  • Shunt trip*
  • Under voltage release*
  • Closing release*
  • Motor operation*
  • HRC fuses and/or spare fuses
  • Contact “fuse blown”
  • Automatic recloser
  • Voltage indicators
  • Cubicle base: 200 mm, 300 mm or 400 mm height (other dimensions on demand)
  • Floor panels
  • Button press control
  • Remote control

* available voltages: 24 V AC/DC, 48 V AC/DC, 110 V AC/DC, 220 V AC

Specifications and dimensions

Rated voltage kV 36
Rated current A 630/63
Short-term current kA 20
Time of the short duration of current s 3
Width mm 524
Depth mm 950
Height mm 1790
Height between ground and end socket mm 790
Height between ground and cable support mm 310
Weight kg 250
IAC AFL 16 kA – 1 s

DI-D - Protection cubicle with vacuum circuit breakerProtection of descending feeders with circuit breaker, transformer and MV-equipment protection

Standard equipment

  • Triple-phase load break switch RV36, class E3 according to IEC 62271-103, SF6-insulation
  • Vacuum circuit breaker with integrated self-powered protection relay, current transformers and open release
  • Interlocked earthing switch with rated making capacity up to 50 kA downstream of the capacity switch
  • Cable support
  • Door interlock
  • Sockets for capacitive voltage detector with parallel testing possibility HR/LR
  • Voltage indicators
  • LV compartment

Options

  • Set of auxiliary contacts on the load break switch
  • Set of auxiliary contacts on the earthing switch
  • Key interlock on load break switch
  • Key interlock on earthing switch
  • Key interlock on both
  • No door interlock
  • Motor operation on load break switch: 24-48-110 V AC/DC & 220 V AC
  • Short-circuit indicator (to be specified by the customer)
  • Earthing connections upwards from the circuit breaker
  • Voltage indicators
  • Cubicle base: 200 mm, 300 mm or 400 mm height(other dimensions on demand)
  • Floor panels
  • Button press control on switch-disconnector
  • Remote control on switch-disconnector
  • Other type of relay can be built in

Specifications and dimensions

Rated voltage kV 36
Rated current A 630
Short-term current kA 20
Time of the short duration of current s 3
Width mm 600
Depth mm 1047
Height mm 1790
Height between ground and end socket mm 790
Height between ground and cable support mm 310
Weight kg 352
IAC AFL 16 kA – 1 s
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