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 Indoor High Voltage Disconnect Switch Vacuum Circuit Breaker Load Switch, Electric Scooters Three Phase 15kvar Electrical Self Healing Power Capacitor, High Voltage Power Module 300kvar 11kv Shizuki Capacitor and so on.

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Supplier Homepage Product High voltage vacuum breaker Vacuum circuit breaker Indoor High Voltage Disconnect Switch Vacuum Circuit Breaker Load Switch

Indoor High Voltage Disconnect Switch Vacuum Circuit Breaker Load Switch

Purchase Qty.:
1-9 10-99 100+
FOB Unit Price: US $256 US $255 US $254
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $256
10-99 US $255
100+ US $254
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.: FN7-12R/630
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Vcb
  • Type: Fuse
  • Certification: ISO9001-2000, CE, CB, CCC
  • Altitude: ≤1000m
  • Cerfication: ISO9001, IEC
  • Rated Frequency: 50/60 Hz
  • Configuration: with Fuses
  • Trademark: OEM/HEYI
  • Origin: Zhejiang Yueqing
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Circuit-Breaker Failure Protection
  • Dynamic Stable Current: 31.5/40/50ka
  • Rated Voltage: 12kv
  • Application: Indoor
  • Ambient Air Temperature: -25~40
  • Certificate: ISO
  • Specification: CE ROHS
  • HS Code: 85310000
Product Description
indoor high voltage disconnect switch vacuum circuit breaker load switch  

The FN7-12DR type indoor AC high voltage load switch is is suitable for AC 50Hz, rated voltage 12kv three-phase AC power system as breaking any load current and short circuit current use, breaking up can be a combination of electrical short-circuit current , can be used as protection purposes.

Technical specification
ClassificationFull typeDSDKLRRAFApplication
Earth switch at the wire-in endEarth switch at the wire-in endInterlock deviceFuse boxString fuse boxOff device by motor
Without tripperFN7-12------line load switch
FN7-12R---Δ--transformer protection
With striking tripperFN7-12RAF----ΔΔtransformer protection
Rated voltage (KV rms)12
Insulation level1min power frequency withstand voltage (KV. RMS)White. Phase to 42Isolation break48
Lightning impulse voltage (KV. a peak)White. Phase to 75Isolation break85
Rated Current(A)400630
Rated thermal current (KA RMS 4S)12.520
Rated dynamic current KA (peak)31.550
Rated short circuit making current (KA peak)31.550

Service Condition
1. The altitude does not exceed 1000m
2. The ambient air temperatrue: Max:+40°c, Min:-10°c
3. The relatire humidity of air daily average=95%, monthly average=90% (temperature:25°c)
4. The ambient air should not be obviously polluted by corrosivity and the flammability gas, etc
5. The working situation without frequent violent

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 
Product Groups
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