• ZW32-12 model outdoor AC vacuum circuit breaker
  • ZW32-12 model outdoor AC vacuum circuit breaker
  • ZW32-12 model outdoor AC vacuum circuit breaker
  • ZW32-12 model outdoor AC vacuum circuit breaker
  • ZW32-12 model outdoor AC vacuum circuit breaker

ZW32-12 outdoor AC vacuum circuit breaker

ZW32-12 model outdoor AC vacuum circuit breaker
ZW32-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in 12/24kV, 50/60Hz power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially for occasions with frequent operation and automatic power distribution.

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Product Description

ZW32-12 outdoor AC vacuum circuit breaker

Product Description

ZW32-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in 12/24kV, 50/60Hz power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially for occasions with frequent operation and automatic power distribution network. It accords with the standard of IEC622 71-100 & GB1984: AC high voltage circuit breaker, IEC60694 & GB/T11022: HV General technical requirement of switch and control apparatus

Service condition

1. Altitude: ≤ 2000m;

2. Ambient temperature: -40°C~+45°C

3. Wind speed: 34m/s

4. Earthquake intensity: ≤8 degree

5. Ambient pollution: IV 

6. Ice thickness: 10mm

7. Applicable occasions should be free from inflammables, explosives, corrosives and severe vibrations.

Product technical parameter

Name

Unit

Data

12kV

Rated voltage

KV

12

Rated current

A

630,1250

   Rated 

insulating 

level

  1min.PF

withstand voltage

 dry

 KV

 42(across open contacts:48)

 wet

 34

  Lightning   impulse

withstand voltage(peak)

 kv

 75(across open contacts:85)

Rated short-circuit breaking   current

KA

 20,25

Rated short-circuit making   current (peak)

KA

 50,63

Rated peak withstand   current

KA

 50,63

4s rated short-time withstand   current

KA

 20,25

Rated operating sequence

 

O-0.3s-CO-180s-CO 

Breaking times of rated   short-circuit

breaking current

 times

 30

Mechanical duration

 times

 10000

Rated   voltage of energy storage motor

 V

DC or AC220,DC110, 48, 24 

Rated operation voltage

 V

 DC or AC220,DC110, 48,24

Abrasions thickness of contacts

 mm

Rated current of over-current   release

 A

   Current transformer ratio

 

200/5, 400/5,   600/5 

(Protection degree:  class,   Class: 0.5)

 

 

 

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