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Load Break Switch Indoor AC High Voltage Load Switch

Load Break Switch Indoor AC High Voltage Load Switch

Product's Description: FN21-12/T630-20 and FZN21-12(R)D/T125-31.5 Series Indoor AC high voltage load switch- fuse combination units appliances for three-phase AC 10kV, 50Hz power system, or with the complete power distribution equipment and loop-network switch cabinet , combined substation and...

Product Details

Product's Description:

FN21-12/T630-20 and FZN21-12(R)D/T125-31.5 Series Indoor AC high voltage load switch- fuse combination units appliances for three-phase AC 10kV, 50Hz power system, or with the complete power distribution equipment and loop-network switch cabinet , combined substation and other ancillary uses, is widely used in urban network construction and transformation engineering, industrial and mining enterprises, high-rise buildings and public facilities ,can be used as ring power supply unit or terminal equipment, play power distribution, control and protection. Technical performance of the products meet the IEC publication 60265-1/FDIS “high voltage switches, Part 1: Rated voltages below 1kV over 52kV high voltage load switch”, IEC60420 “High Voltage AC load switch – fuse combination units”; and CB16926 “AC High-voltage load switch - fuse combination units”, GB3804 “3-63kV AC high voltage switches” requirement.

This product has a breaking capacity, safety and reliability, long life, can operate frequent, compact structure, small size, light weight, the basic no need to maintain. Breaking with rated current, overload current (FZRN21-12D/T125-31.5 can short-circuit breaking current) and to prevent equipment missing running ability to switch a visible fracture of isolation, with combined installed capacity of the ground with the relevant switches and electrical spring agencies, to remote control.


Types and Definition:

load break switch 01

load break switch 02

Main Technical Parameters:


Genearal Structure and Installation Size:

1. Switchgear 2.Insulation switch 3.Fuse 4.Insulation pull rod 5. Up bracket 6. Vacuum circuit breaker 7. Earth static contact 8. Insulator 9.Earth switch 10.Earth spring 11. Opening spring 12.Insulation pull rod 13.Main shaft 14.Off-line actuator 15.Assistant shaft 16.Interaction pull road 17.Operating actuator


Environmental Conditions:
1. Altitude: 2000m and below
2. Ambient temperature: -25 ℃ ~ +40 ℃
3. Relative humidity: No more than 95% on daily average , No more than 90% on monthly average  
4. No conductive dust, corrosive gases and water vapor 
5. No fire, explosion hazard
6. No severe violent vibration

Place of Origin:China 

Model Number: FZN21-12/T630-20

Product name: FZN21-12/T630-20 indoor AC HV load switch

Type: high voltage

Rated voltage: 12KV

Rated current: 630A

Rated frequency: 50HZ

Ambient temperature: -15℃ to +40℃

Mechanical life: 10000 times

Certificate: ISO9001,IEC

Standard: GB3804

Welcome to buy the load break switch indoor ac high voltage load switch for sale with our professional manufacturers and suppliers in China. And catering to your customized requirement, we also offer the OEM service.
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