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TCFS

TCFS-12 Compact Stationary Solid Insulated Switchgear 12kv Air Insulated Fixed Switch Cabinet

Model: TCFS-12

Description

TCFS-12 series compact stationary solid insulated switchgear enviromentally air insulated fixed switchgear (hereinafter referred to as “switchgear”) is a new generation of extensible, modularized and free-maintenance metal enclosed switchgear, which is widely used in 3-12kV and 50Hz electric system.
  • General
  • Features
  • Standards
  • Parameters
  • Structure

TCFS-12 series compact stationary solid insulated switchgear enviromentally air insulated fixed switchgear (hereinafter referred to as “switchgear”) is a new generation of extensible, modularized and free-maintenance metal enclosed switchgear, which is widely used in 3-12kV and 50Hz electric system.

lts switches are including:

TLS load switch
TLS-T load switch+ fuse combination unit
TVC breaker
TLG isolated earthing switch

1. Miniaturization:
The width of load switchgear and breaker cabinetis only 400mm;
2. Stationary type:
The body is made up of two units with fixed setting method;
3. Solid insulation:
The embedded vacuum arc- extinguishing chamber can reduce parts, environmental and stable;
4. Switchgear:.
Load switchgear: 630A/25kA and 1250A/25kA,
Breaker cabinet: 630A/25kA and 1250A/31 .5kA,
5. Scheme for whole series:
Load switch + fuse-combination unit cabinet:
200A/31. .5kA Up isolation and up earthing;
Up isolation and down earthing;
Down isolation and down earthing;
Up in and up out.
Meet users’ needs for various loads.

It conforms to the following standards and regulations:

GB311.1   Insulation coordination Part 1 Definition, principle and rules

GB3804   3.6kV~40.5kV high voltage AC load switch

GB1984   High voltage AC breaker

GB3906   3.6kV~40.5kV AC metal enclosed switch and control equipment

GB/T11022   Common technical requirements for high voltage switch and control equipment

GB/16296   High voltage AC load switch Fuse-combination unit

DL/T403   Specification for ordering 12kV~40.5kV high voltage vacuum breaker

DL/T593   Common technical requirements for high voltage switch and control equipment

DLT404   Standards for 3.6kV~40.5kV AC metal enclosed switch and control equipment

Item Data
Vacuum circuit breaker
-Three-station isolation switch combination
Vacuum load break switch
-Three-station isolation switch combination
Rated voltage 12kV 12kV
1min power frequency withstand voltage interphase and relative  42kV  42kV
isolation fracture 48kV  48kV
Lightning impulse withstand voltage interphase and relative 75kV 75kV
isolation fracture  85kV  85kV
Rated frequency 50Hz 50Hz
Rated current 630,1250A load break switch 630A
Rated short-circuit breaking current 20,25,31.5kA
Rated short-time withstand current 20,25,31.5kA 25kA
Rated short circuit closing current (peak) 50,63,80kA 63kA
Rated peak withstand current 50,63,80kA 63kA
Rated out-of-phase ground fault breaking current 17.3,21.7,27.4kA
Rated short circuit duration (main circuit) 4s 4s
Rated transfer current 3150A
Rated active load breaking current 630A
Rated load breaking operation times 30 times
Rated cable charging current 10times
Rated operation sequence O-0.3s-CO-180s-CO O-0.3s-CO-180s-CO
Mechanical life 10000 times load break switch: 10000 times
Isolation switch: 5000 times

TCFS-12kv air insulated fixed switchgear drawing

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