12kv 630A load break switch vacuum circuit breaker

vacuum circuit breaker

Item: FZ(R)N25-12

Application

vacuum circuit breaker

FZN25-12 Indoor AC HV vacuum Load break switch and FZRN25-12D Indoor AC HV vacuum load break switch with assembly fuse is the controlling and protecting equipment of three-phase 50Hz, 12kv distribution system, which is widely used in the situations of industrial and mining establishiments and power distribution station of urban buildings. Combined electrical apparatus can protec transformer and other electric equipments. it is used more reliable than circuit breaker. esbecially, it can be perfectly used in terminal substation and box-type substation of urban net and rural net in order to control and protect ring net birabdial electric unit.

Specification

Standard:

a. GB38041.1-90 <<3-63KV AC H.V load switch>>.
b. GB16926-97 <<AC H.V load switch with fuse box>>
c. IEC265-1 HV Load Switch No.1 : Rated voltage between 1kv and 52kv high voltage load switch
d. IEC420(1990). <<AC H.V load switch with fuse box>>

Technical Parameters:

No.	Name		Unit	FZN25-12/630-20	FZN25-12/(R)D125-31.5
1	Rated voltage		kV	12
2	Rated frequency		Hz	50
3	Reated current		A	630	less than 200
4	Rated insulating level	1min power frequency withstand voltage	kV	30
		1min power frequency withstand voltage	kV	42/48
		Lightning impulse resisting voltage	kV	75/85
5	Rated 4S heat – stability current		kA	20
6	Rated duration of short circuit		S	4
7	Rated dynamic current		kA	50
8	Rated active load breaking current		A	630
9	Rated closed loop breaking current		A	630
10	Rated cable charging current		A	10
11	Breaking no-load transformer capacity Max. breaking current		kvA	1600
12	Rated short circuit breaking current		KA		31.5
13	Rated transfer current		A		2000
14	Fuse model				SDLAJ-12,SFLAJ-12
15	Impactor output energy		J		2-5
16	Rated short circuit closing current		kA	50	80(expected peak)
17	Earth switch heat-stability current		KA	20
18	Earth switch rated duration of short circuit		S	2
19	Auxiliary loop rated pressure		V	220,110
20	Mechanical endurance		operations	10000

Gallery

Q:How to guarantee my order and payment.
A:Ezitown has Alibaba trade Assurance,100% refundable if any quality or delivery problem.

Q:How to return the goods if meet any problem
A:we have DHL and Fedex account for return goods.buyer no need to pay any shipping cost for returning. Can contact our salesman to operate.

Q:Why Ezitown price is competitive, and quality seems rather good ?
A:because we have been manufacturing more than 20 years, we know what price and Quality buyer can sell well in market.the wholeseller have suitable profits

Q:Can we order many items and make combine shipment.
A:we can combine many items,and deliver by courier/sea/land/air etc. pack well.

Q:Can I order the cabinet/enclosure/box and the wiring material from you or other supplier,you make wiring and assembly for us ?
A:we have egineering, wiring and assembly team for low voltage/medium voltage/high voltage/DC control .can make drawing and diagram to confirmation and proceed the assembly.we have unite nation project in regular assembly.
Q:How can I make our own brand for my order
A:we supply OEM service if order quantity meet the OEM MOQ , contact to know the exactly quantity for your item

Q:What is the delivery if I make payment
A:Almost all items we keep in stock.and we have many order every day , We need 1-3 working days to packing and make delivery.OEM packing will be longer time.

Q:Can we visit your factory or office ?
A:we always welcome customer visit us, let me know the schedule, we will arrange.