Name: 11kv 630a vacuum circuit breaker / 11kv siemens vacuum circuit breaker / 3af vacuum circuit breaker
Brand: hossin
Availability: InStock

Product Details

11kv 630a vacuum circuit breaker / 11kv siemens vacuum circuit breaker / 3af vacuum circuit breaker

Product Overviews

VS1-12(ZN63A-12) indoor AC High voltage vacuum circuit breaker is used in three phase

AC50Hz electric system with rated voltage 7.2KV-12KV to switch on and off of loads of

different kinds at occasions of frequent operations.

It serves as a protection and control unit of network equipment, industrial and mining enterprises power equipment. It can be installed into KYN28A-12 draw-out type switchgear as well as XGN fixed type switchgear.

Working Conditions

1.The environment temperature: upper limit+40℃, lower limit -15℃ (allow storage

at -30℃);

2.Altitude: no more than 2000m;

3.Relative humidity: daily average value is not greater than 95%, monthly average is

not greater than 90%;

4. Saturated steam pressure: daily no larger than 2.2×10-3Mpa, monthly average is

not greater than 1.8×10-3Mpa;

5. Earthquake intensity does not exceed 8 degrees;

6. No fire, explosion, pollution, chemical corrosion and severe vibration place.

Specification

NO.	Item		Unit	Specification
1	Rated Voltage		kV	12	12	12	12
2	Rated Current		A	630, 1250	630, 1250, 1600	1250, 1600	2000, 2500, 3150
3	Rated Insulation Level	1min power frequency withstand voltage	kV	42	42	42	42
3	Rated Insulation Level	Rated lighting impulse withstand voltage	kV	75	75	75	75
4	Rated Short-circuit Breaking Current		kA	20	25	31.5	40
5	Rated Short-circuit Making Current(peak value)			50	63	80	100
6	Rated(peak value)Withstand Current			50	63	80	100
7	Rated Short-circuit Withstand Current			20	25	31.5	40
8	Rated Short-circuit Breaking Current Breaking Times		Times	50	50	50	30
9	Rated Short-circuit Lasting Time		S	4	4	4	4
10	Rated Operation Sequence			0-0.3s-CO-180s-CO
11	Mechanical Life		Times	20000	20000	20000	20000

Adjust the parameters of mechanical properties:

No	Item	Unit	Parameters
1	Contact distance	mm	14±1
2	Contact Over-travel	mm	3.5±1
3	Closing speed	m/s	1.0±0.2
4	Opening speed	m/s	1.3±0.2
5	Contact closing spring time	ms	≤2
6	Rated contact pressure	N	20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200)
7	Three phase closing opening asynchrony	ms	≤2

Advantages

1.Over 20 years of manufacturing experience with good quality & stable product performance.

2. Hossin provides full line of MV-HV electrical products, including drop-out fuse, disconnector, surge arrester, vacuum circuit breaker, fuse, load switch, insulator etc.

3. Quick feedback, Timely quotation, Fast delivery

4. Complete set of testing machine to ensure product quality.

5. Hossin can customize non-standard product as per client’s requirement.

6. Hossin sells pressing parts& pressing mould at low price.

7. Hossin offers electrical installation & commission service.

Buying Guides

To order the vacuum circuit breaker, please let us know below info:

1. Rated Voltage

2. Rated Current

3. Rated Breaking Current

4. Fixted type or Draw-out Type