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KUNWEI12KV indoor high voltage vacuum circuit breaker

Location:
ry/Region:, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C
Categories:
Home > Electronics & Electrical > Circuit Breaker

Product Description

Specifications

1. Handcart Type Indoor VCB,
2. Have 12kV, 24kV,40.5kV;
3 Safe,easy operation
4 long life,reliable

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

The use of environmental conditions:

1.operating temperature: not higher than +45°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..

Mainly technical parameters

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 (2600±200) 31.5KA(3100±200)

7

Three phase closing opening asynchrony

ms

≤2



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Contact Information

Company:
 Shaanxi Kunwei Electric Co., Ltd.
Phone Number:
  gion:China (Mainland)Country/Region:end
Fax Number:
 
 
 

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