Gold Member Since 2015
Audited Supplier
Yueqing Heyi Electrical Co., Ltd.

Load Break Switch, 11kv Load Break Switch, 36kv Load Break Switch manufacturer / supplier in China, offering Air High Voltage Load Break Switch with Fuse Indoor 33kv Isolators Disconnect Switch, Three Phase Current Transformer D363 50-600A 3 in 1 Combined Cts, Kct-24 Split Core CT Clamp Current Transformer with Earthphone Plug and so on.

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Supplier Homepage Product High voltage vacuum breaker Vacuum circuit breaker Air High Voltage Load Break Switch with Fuse Indoor 33kv Isolators Disconnect Switch

Air High Voltage Load Break Switch with Fuse Indoor 33kv Isolators Disconnect Switch

Purchase Qty.:
1-9 10-99 100+
FOB Unit Price: US $511 US $510 US $509
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $511
10-99 US $510
100+ US $509
Get Latest Price
Production Capacity: 1000PCS/ Month
Transport Package: 1PCS/ Strong Wooden Package
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: FKRN12-12D/T125-31.5
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Vcb
  • Type: Fuse
  • Certification: ISO9001-2000, CE, CB, CCC
  • Motor Operating Supply Voltage: AC/DC 110V/220V
  • Rated Active Load Breaking Current: 1250A
  • Rated Frequency: 50/60 Hz
  • Configuration: with Fuses
  • Insulativity: Good
  • Specification: CE ROHS
  • HS Code: 85310000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Circuit-Breaker Failure Protection
  • Rated Short-Circuit Duration: 4s
  • Power Distribution System: Three Phase AC 50Hz
  • Altitute: <1000m
  • Ambient Air Temperature: -15 to +40
  • Certificate: ISO9001,IEC
  • Trademark: OEM/HEYI
  • Origin: Zhejiang Yueqing
Product Description
Air High voltage load Break Switch with Fuse indoor 33kv isolators disconnect switch   

FKN12-12D pneumatic type load switch, FKRN12A - 12Dseries pneumatic type load switch fuse combination electric appliance, three-phase power distribution system applicable to 12 kv and below, as transformers, cables, overhead lines and other electrical equipment control box of protection;Especially suitable for the terminal station and box transformer substation of power grid.And is suitable for ring network, the double radiation control and protection power supply unit.
FKN12-12D series pneumatic load current and overload current.
FKN12-12D series pneumatic type load switch fuse combination electric appliance can share the load current, overload current.The breaking short circuit current. 

The main technical parameters:
Rated voltagekV12
Rated frequencyHz50
Rated currentA630125
Rated insulation level1min power frequency with stand voltage(Phase to earth, between poles, open contacts)kV4248
Rated lightning impulse withstand voltage(Phase to earth, between poles, open contacts)kV7585
Rated peak withstanding currentkA50
4S rated short-time withstanding currentkA /s20/
Earthing switch rated short-time withstanding current/Rated short-circuit duration timekA/s20/4/
Rated breaking currentPower load breaking currentA630/
Close loop breaking currentA630/
Breaking cable charge currentA31.5/
Breaking no-load transformer capacitykVA12501250
Rated short-circuit breaking currentkA/31.5
Breaking transfer currentA/3150
Fuse type
Shocking input energyJ/3-5
Rated short-circuit making currentkA5080(expected)
Earthing switch rated withstand current(peak)kA5050
Earthing switch 4S rated short-time withstand currentkA2020
Auxiliary circuit rated voltageV220:110220:110
Mechanical life(grade M2)times4000

Operating environmental conditions:
1 Altitude: ≤1000m
2 ambient air temperature: not higher than +40°C,not lower than-25°C
3 Relative humidity: daily mean is not more than 95%, monthly mean is not more than 90%
4 Earthquake intensity: not more than 8°
5 no fire, explosion hazard, chemical etching and intense vibration
6 Pollution grade: II
7 Ambient air shouldn't be polluted by corrosive or flammable gas and vapor

Payment terms: 
1 30% T/T advance , the balance against to the copy B/L or LC at sigh 
2 The other specific issues can negorate.
3 Pls confirm the details with us before do the prepayment.
Packing information:
1 Wooden packing 
2 1pcs/per CTN 
3 G/N.W: 50/45kg
4 We can packing as your required,good looking design 
Why choose us:
1 ISO9001,SGS,Gold golden supplier 
2 Monthly Production Capacity -- 50000 Pcs 
3 All goods examined before delivery by 10 QC staff 
4 Prompt Reply Within 12 Hours 
5 8000 square meters work environment 
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