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Vacuum Circuit Breakers

ZW32-12 Outdoor Vacuum Circuit Breaker

The ZW32-12 is a pole-mounted outdoor vacuum circuit breaker rated at 12kV, widely used in rural and urban power distribution networks. Features a compact spring-operated mechanism for reliable switching operations.

Key Features

  • 12kV rated voltage, 630A rated current
  • 20kA short-circuit breaking capacity
  • Spring-operated mechanism — compact & lightweight
  • Silicone rubber / epoxy resin insulation
  • Mechanical life: 10,000 operations
  • Suitable for frequent switching applications
  • Manual and motorized operation available

Technical Specifications

Rated Voltage12 kV
Rated Current630 A
Rated Frequency50 Hz
Rated Short-Circuit Breaking Current20 kA
Rated Peak Withstand Current50 kA
Rated Short-Time Withstand Current20 kA / 4s
Mechanical Life10,000 operations
Lightning Impulse Withstand Voltage75 kV (peak)
Power Frequency Withstand Voltage (Wet)34 kV
Power Frequency Withstand Voltage (Dry)42 kV
Closing Time<300 ms
Opening Time18-45 ms

Applications

Rural power distribution networksUrban overhead line distributionIndustrial park power supplyPole-mounted switching stations

Standards Compliance

IEC 62271-100GB 1984GB/T 11022
Reply within 12hISO / CE / CCC CertifiedOEM Available

Frequently Asked Questions

What is the rated voltage of the ZW32-12 Outdoor Vacuum Circuit Breaker?
The ZW32-12 Outdoor Vacuum Circuit Breaker has a rated voltage of 12 kV. Please refer to the technical specifications table above for complete electrical ratings.
What is the lead time for ZW32-12 Outdoor Vacuum Circuit Breaker?
Standard lead time for the ZW32-12 Outdoor Vacuum Circuit Breaker is approximately 30 days. Larger quantities or custom configurations may require additional production time. Contact our sales team for a precise delivery schedule.
Can the ZW32-12 Outdoor Vacuum Circuit Breaker be customized for OEM projects?
Yes, NAIJI Electric offers OEM and custom manufacturing for the ZW32-12 Outdoor Vacuum Circuit Breaker. We can adjust specifications, branding, and configurations to meet project-specific requirements. Minimum order quantities apply.
What standards does the ZW32-12 Outdoor Vacuum Circuit Breaker comply with?
The ZW32-12 Outdoor Vacuum Circuit Breaker is designed and tested in accordance with IEC 62271-100, GB 1984, GB/T 11022. All products undergo rigorous factory testing before shipment.

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