VS1 MV INDOOR METAL CLAD VACUUM CIRCUIT BREAKER

Name: China Customized VS1 MV INDOOR METAL CLAD VACUUM CIRCUIT BREAKER Manufacturers, Suppliers - FENGYUAN
Brand: FENGYUAN
SKU: 188822985

VS1 Series Indoor AC High Voltage Embedded pole Vacuum Circuit Breaker is applied for indoor high voltage of rated voltage 12kV and 24kV, three phase AC 50Hz. It used for controlling and protection of transformer substation., mine firm and frequently applied to operate occasion.. The switchgear accords with the standards of IEC62271-100, IEC61439(idt GB/T 11022), GB 1984, DIN VDE 0670 and so on.

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Description

VS1 MV INDOOR METAL CLAD VACUUM CIRCUIT BREAKER


Main Features

It is convenient for adjustment due to the vacuum circuit breaker adopt the design of arcing chamber is located on the upper, the operating mechanism is located on the down;
It adopt the structure of combination of air and organic composite insulating material;
Simple spring operating mechanism, 10000 operating times;
Smooth and good self-locking performance due to lead-screw propulsion mechanism.
It adopt the structure of combination of air and organic composite insulating material;
Simple spring operating mechanism, 10000 operating times;4. Smooth and good self-locking performance due to lead-screw propulsion mechanism.

Structural features:

The voltage can reach 12kV and 24kV, the current 4000A, and the breaking can reach 20KA/25KA/ 31.5KA/40kA

Suitable cabinet size:

Cabinet width 500/550/650/800/1000mm
VCB model: Suitable for ABB/Siemens, Schneider etc. brands of VCB vacuum circuit breaker

Ambient Conditions:

1. Ambient temperature: -10℃–+40℃
2. Relative humidity: daily average 95.monthly average 90.
3. Earthquake intensity: 8 degree;
4. Saturated vapor pressure: the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more than 1.8Kpa;
5. The height above sea level:≤1000 m (Except special requirements)
6. Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.

The main technical parameters:

NO	Item	Units	Technical parameters
1	Rated voltage	KV	12
2	Rated short-duration power frequency withstand voltage		42/48(Interphase, ground/fracture)
3	Rated lightning impulse withstand voltage		42/48(Interphase, ground/fracture)
4	Rated frequency	Hz	50
5	Rated current	A	630 1250	630 1250 1600 2000 2500 3150	630 1250 1600 2000 2500 3150
6	Rated short-circuit breaking current	KA	20/25	31.5	40
7	Rated short-time withstand voltage	KA	20/25	31.5	40
8	Rated short circuit duration	S	4
9	Rated peak withstand current	KA	50/63	80	100
10	Rated short circuit closing current	KA	50/63	80	100
11	Secondary circuit power frequency withstand voltage (1min)		2000
12	Rated single / back to back capacitor group breaking current	A	630/400(40kA:800/400)
13	Rated capacitor bank closing current		12.5 (frequency is not greater than)
14	Mechanical life	KA	20000
15	Rated current breaking times (electrical life)	KA	20000
16	Rated short circuit current breaking times	times	50(40KA≤30)
17	Dynamic and static contacts allow wear cumulative thickness	mm	3
18	Energy storage time	s	≤10
19	Contact opening distance	mm	11±1
20	Overtravel	mm	3.5±0.5
21	Contact closing bounce time	ms	≤2(40KA≤3)
22	Three-phase split/closed period	ms	≤2
23	Average opening speed (contacts are separated by -8mm)	m/s	1.2±0.2
24	Main conductive loop resistance	m/s	0.6±0.2
25	Main conductive loop resistance	μΩ	≤50(630A)≤45(1250A) ≤40 (1600,2000A)≤35 (2500A or more)
26	Rated operation sequence		0-0.3s-Co-180s-Co

circuit breaker (3)

circuit breaker (7)

High-Voltage-Vacuum-Circuit-Breaker

indoor_vacuum_circuit_breaker

(2)

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COMPANY OVERVIEW

FAQ

Q6 : You are manufacturer or trading company?
A: We are factory, As a 100% professional manufacturer with 20 year's manufacturer experience, we could produce products according to customers' requirements and we could also control the quality of products 100%.

Q7 : Can the price be negotiated?

A: Yes, the price is negotiable. It can be changed according to your quantity or package

Q8 : How about inspection?

A: We have the whole inspection system from raw material to end products include temperature rise test,salt spraying test conductor type test,mechanical life test.

Q9 : What is payment terms?

A: T.T, Paypal,Western Union,Alibaba trade assurance and L/C is acceptable. 30% T/T in advance ,70% balance before shipment.

Q10 : What is the service offered by company?

A: We have the professional engineer team which can design and develop the mold to arrive different customer requirement.

We also have the sales team to offer good service from pre-sale to after-sale.

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