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11KV Circuit Breaker 11KV 12KV Vacuum Circuit Breaker

Name: 11KV Circuit Breaker 11KV 12KV Vacuum Circuit Breaker
Brand: hossin
SKU: 101632545
Availability: InStock

US$ 50 - 100 MOQ: 1 Piece

Key Specifications

Place of Origin:

Zhejiang, China

Brand Name:

hossin

Model Number:

VBI VS1 VD4 CV1 3AH2 3AH4 ZN28 ZN23 ZN85 ZN12 ZN68

Yueqing Hossin Electrical Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

Shanghai/Ningbo

Delivery Detail:

Delivery time depends on order quantity.

Place of Origin Zhejiang, China

Brand Name hossin

Model Number VBI VS1 VD4 CV1 3AH2 3AH4 ZN28 ZN23 ZN85 ZN12 ZN68

Type High Voltage

Poles Number 3

Product Overviews

ZN63 (VS1) -12 Series type indoor high voltage vacuum circuit breaker is rated voltage 12kV, three-phase AC 50Hz Indoor high-voltage switchgear.

Working Conditions

1.Ambient temperature: not higher than +40 °C, not less than -15°C

2. Altitude: not exceed 1000m.

3. Relative humidity: daily average of not more than 95%, month average of not more than 90%.

4. Earthquake intensity: not more than ten.

5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.

Specification

NO	Item	Units	parameters
1	Rated voltage	KV	12
2	Rated Frequency	HZ	50
3	Rated Current	A	630.1250.1600.2000.3150
4	Rated short-circuit breaking current	KA	20 25 31.5
5	Rated short-circuit closing current (peak)	KA	50 63 80
6	Rated short-circuit duration	S	4
7	Rated short-circuit breaking current breaking number	nos	50s
8	Rated operating sequence		0-0.3s-CO-180s-CO
9	Rated lightning impulse withstand voltage	kv	125
10	1min power frequency withstand voltage	KV	65
11	Closing time	ms	≤ 70
12	opening time	ms	≤ 50
13	Mechanical life	Times	20000
14	Rated Storage and operation voltage	V	AC DC 220/110
15	Breaking life	ms	≤ 80
16	Storage life	s	≤ 10

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