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Permanent magnet outdoor high voltage vacuum circuit breaker
Permanent magnet outdoor high voltage vacuum circuit breaker
Supplier Info
[China Supplier]
Contact Person : Mr. Chen Jack
Tel : 0086-577-62898852
Fax : 0086-577-62898853
Product Detail
ZW32M-12 series outdoor permanent magnet-type vacuum circuit breaker

ZW32M-12 Series Outdoor Permanent Magnet-Type Vacuum Circuit Breaker

ZW32M-12 series outdoor permanent magnet-type vacuum circuit breaker is composite by ZW32-12 Series Outdoor circuit breakers and CH-1 series line protection controller, after to increase the PT power composed outdoor intelligent switch system and recloser . The intelligent system can achieve three reclosing, overload protection, three-stage over-current protection, automatic fault isolation section, improve system reliability in order to achieve distribution network automation.

The use of environmental conditions:

1. Altitude: ≤2000m.

2. Air temperature: -40°C ~ +50°C

3. Relative humidity: ≤95%

4. Maximum wind speed

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

Mainly Technical parameters

No

Item

Unit

Parameters

12kV

24vK

1

Rated frequency

Hz

50/60

2

Rated voltage

kV

12kV

24kV

3

Rated insulation level

1min power frequency withstand voltage dry wet

Dry

kV

42

65

Wet

34

50

Rated lightning impulse withstand voltage

75

125

Current data

1

Rated current

A

630

630

2

Loop resistance with limited on rated contact pressure

µΩ

≤80

≤80

3

Rated short-circuit breaking current

kA

20

20

4

Rated short-time withstand current

kA

20

20

5

Rated short-circuit duration

S

4

4

6

Rated peak withstand current

kA

50

50

7

Rated short-circuit closed current

kA

50

50

8

Rated operating sequence

 

O-0.3s-CO-180s-CO

Permanent magnet outdoor high voltage vacuum circuit breaker

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