Wankong Group Co., Ltd.

home products Vacuum circuit breaker VS1 Indoor High Voltage vacuum circuit breaker

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VS1 Indoor High Voltage vacuum circuit breaker

Product Details:

Type	Vacuum
Poles Number	3
Place of Origin	Zhejiang, China
Brand Name	WANKONG
Model Number	VS1

Payment & Shipping Terms:

Minimum Order Quantity:	1 Piece/Pieces
Packaging Details:	wooden
Delivery Time:	Within 30days
Payment Terms:	L/C,T/T
Supply Ability:	150 Piece/Pieces per Day

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Detailed Product Description

1. General

VS1 series vacuum circuit breaker is indoor high voltage switchgear with rated voltage 7.2-12kV, three-phase AC 50Hz, It is used for the This product conforms to the national standard GB1984-2003 "Alternate current high-voltage circuit breaker", and international standard IEC 62271-100"High-voltage alternate current circuit breaker".

2. Service Environment

Altitude:1000m and below;

Environmental temperature is from:-15~40°C;

Environmental humidity:

Daily average of relative humidity≤95%

Daily average saturated vapor pressure≤2.2×10-3Mpa

Monthly average of relative humidity≤90%

Monthly average saturated vapor pressure≤1.8×10-3Mp

No operating in such environment as subject to dust, dirt, smog, corrosive/flammable gas, vapor and salt pollution.

Earthquake intensity: No more than 8 degree.

3. Technical data

Code	Item	Unit	Data
1	Rated voltage	kV	12
2	rated frequency	Hz	50
3	Rated lighting impact withstand voltage(peak value)	kV	75
4	power frequency withstand voltage (1 min)	kV	42
5	Rated current	A	630 630 1250 1250 1250 1600
6	Rated short-circuit breaking current	kV	20 25 31.5
7	Rated short-time withstand current (virtual value)	kV	20 25 31.5
8	Rated peak withstand current (peak value)	kV	50 63 80
9	Rated short-circuit making current (peak value)	kV	50 63 80
10	Duration of rated short-circuit current	s	4
11	Rated operating order		0-0.3-CO-180S-CO 0-180S-CO-180S-CO
12	Rated breaking current of single/symmetrical capacitor bank	A	630/400 (40kA:800/400)
13	Rated making surge current of capacitor bank	kV	20 (frequency:4250Hz)
14	Contact clearance	mm	11±1
15	Contact travel	mm	3.5±0.5
16	Bounce time of contact making	ms	≤2
17	Out of simultaneity of three-phase making and breaking	ms	≤2
18	Average breaking speed	m/s	0.9~1.2
19	Average making speed	m/s	0.5~0.8
20	Breaking time (rated voltage)	ms	20~50
21	Making time (rated voltage)	ms	35~70
22	Rated operation voltage of making and breaking	V	AC110/220, DC110/220
23	Rated voltage of energy storage motor	V	AC110/220, DC110/220
24	Rated power of energy storage motor	W	70,100 (40kA)
25	Energy storage time	s	≤15
26	Permitted abrasion thickness of moving and fixed contacts	mm	≤3
27	Rebound amplitude of contact breaking	mm	≤2
28	Main circuit resistance		630A ≤50µΩ 1250A ≤45µΩ