Indoor high voltage load switch from China manufacturer

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: FZN21-12 and FZN21-12(R)D

Export Area: all over the world

Certificate: CE,ISO

indoor AC high voltage load switches,load switch

FZN21-12/T630-20 Type indoor AC high voltage load switches

FZN21-12(R)D/T125-31.5 indoor AC high voltage load switches-Fuse combination units

FZN21-12/T630-20 and FZN21-12(R)D/T125-31.5 type 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 , IEC60420; and CB16926, 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.

Mainly Technical parameters

No	Item		Unit	Value
1	Rated voltage		kV	12
2	Rated frequency		Hz	50
3	Rated current		A	630	125
4	Rated insulation level	1min power frequency withstand voltage	kV	Arc-quenching chamber fracture 30
		(effective value)		Earth , phase 42, insulating fracture 48
		Lightning impulse withstand voltage (peak)		Earth , phase 75, insulating fracture 85
5	Rated dynamic current (peak)		kA	50
6	4S thermal current		kA	20
7	Rated power load breaking current		A	630
8	Rated closed-loop breaking current		A	630
9	Rated cable charge breaking current		A	10
10	Rated breaking no-load transformer capacity		KVA	1250
11	Rated breaking AC current		A	3150
12	Rated short-circuit closed current		kA	50
13	Rated current breaking times		times	2000
14	Mechanical life		times	10000
15	Permitted wear-thickness of vacuum arc-quenching chamber contact		mm	2
16	Manual operating torque		Nm	>200

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