ZN63M (VSM)-12 12kv Indoor

US $1200

Min. Order:3 pc
Keywords:Vacuum circuit break , 12kv Circuit breaker , High voltage breaker
Origin:Made In China
Brand:Tengen

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Company Information

Company NameZhejiang Tengen Import & Export Co.,Ltd
Country/Region:Zhe Jiang - China
Business Nature:Manufacturer
Contact:AmandachenSales Manager
Phone:13757782160
Last Online:11 Jan, 2018
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Product Description

ZN63M (VSM)-12 12kv Indoor High Voltage 1Vacuum Circuit Breaker

Application

        ZN63M (VSM)-12 12kv Indoor High Voltage 1Vacuum Circuit Breaker is rated voltage 12kV, three-phase AC 50Hz Indoor high-voltage switchgear ,apply for power stations, substations, industrial and mining enterprises to control or  protection transmission and distribution systems , specially for the important high altitude breaking load and frequent operation place.

 

Model number and meaning

 

The use of environmental 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.

 

Main Technical Parameter

NO

Item

Units

parameters

1

Rated voltage

KV

12

2

Rated lightning impulse withstand voltage

KV

75

3

1min power frequency withstand voltage

KV

42

4

Rated short-circuit breaking current

KA

20 25,     31.5 ,     40

5

Rated Current

A

630 1250, 1250 1600 2000 2500, 1250 1600 2000

2500 3150

6

Rated short-time withstand current

KA

20 25,   31.5,     40

7

Rated peak withstand current

KA

50 63, 80, 100

8

Rated short-circuit closing current (peak)

KA

50 63, 80, 100

9

Second loop power frequency withstand voltage(1 min)

V

2000

10

Rated operating sequence

 

O-0.3S-CO-180S-CO,   O-180S-CO-180S-CO

11

Rated short-circuit duration

S

4

12

Mechanical life

Times

30000,         20000

 

13

Rated short-circuit breaking current breaking number

Times

50,           30

14

Rated Storage and operation voltage

V

AC/DC220

15

Storage life

S

≤10

16

Contact distance Contact Over-travel

mm

distance11±1 Over-travel 3±0.5

17

Rated voltage: Closing and opening time

ms

Closing:25~50 opening:30~50

18

Contact closing spring time

ms

≤2,   ≤3

19

Three phase closing opening asynchrony

ms

≤2

20

Opening speed

m/s

0.9~1.3

21

Closing speed

m/s

0.4~0.8

22

Rated contact pressure

N

20Ka:2000±200 25KA:2400±200

31.5KA 3100±200   40KA:4250±250

 

 

Payment Terms:T/T

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