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Indoor Three Phase High Voltage Load Switch And Fuse Combination 11kv 31.5KA 630A

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Tengen International Industrial Limited
Province/State: Zhejiang
Country/Region: China
Tel: 86--18657768658
Contact Person:
Mr Wang

Indoor Three Phase High Voltage Load Switch And Fuse Combination 11kv 31.5KA 630A

Brand Name : Tengen
Model Number : FZN25
Certification : CCC
Place of Origin : Zhejiang, China (Mainland)
MOQ : 1
Price : negotiable
Payment Terms : T/T, L/C, Western Union
Supply Ability : 8000 Pieces per Month
Delivery Time : 5-15 work days after confirm the payment
Packaging Details : Standard package or according to customer's requirements
Poles Number : 3
Rated voltage : 12kV
Rated current major loop(A) : 630A
Rated cable charge breaking current : 10A
Rated transfer current : 2000A
Earth switch rated dynamic current : 50kA
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FZN21-12(D) Type indoor AC high voltage load switches 12kV


FZN25-12D/T630-20 Type Indoor AC switch is three-phase AC 50Hz, rated voltage of 12kV and indoor installations, for industrial and mining enterprises for distribution in clinics and substations and other occasions, as electrical protection and control facilities for the division and load current, loop current, no load transformer and cable charging current.

FZRN25-12D / T -31.5 type indoor AC high voltage vacuum load switch- fuse combination units is three-phase AC 50Hz, rated voltage of 12kV for indoor installations for industrial and mining enterprises and other occasions to change the station distribution Institution for load control and short circuit protection purposes. Equipped with grounding switch can withstand short-circuit current. Actuator can be manual and electric, easy remote control three power system requirements.

FZN25-12D, FZRN25-12D-type load switch and the combination of electric three-phase are for city distribution and industrial power equipment of three phase ring network or terminal power supply ,for load control and short circuit protection. As the combination of electrical transformers and other electrical equipment on the protective effect than the circuit more reliable, more economical, especially for rings, double radiation power supply units and box-type substation.

Rated voltagekV12
Rated frequencyHz50
Rated currentA  
Rated insulation level1 min power frequency withstand voltagekVArc-quenching chamber fracture 30
(effective value)Earth .phase 42, insulating fracture 48
Lightning impulse withstand voltage (peak)Earth .phase 75, insulating fracture 85
Rated dynamic current (peak)kA50
4S thermal currentkA20
Rated power load breaking currentA630
Rated closed-loop breaking currentA630
Rated cable charge breaking currentA10
Rated breaking no-load transformer capacitykV1250
Rated transfer currentA 2000
Fuse model  SDLAJ-12
Striker output energyJ2-5
Rated short-circuit closed currentkA5080(predictive value)
Earth switch rated dynamic currentkA50
Earth switch 2s thermal currentkA20
Auxiliary circuit rated voltageV-220 -110
Mechanical lifetimes10000
Opening time of fuse triggerms-30-40
Opening time of tripper triggerms40-50

Product Tags:

vacuum load break switch


automatic changeover switch

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