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AC Indoor Type Vacuum Three Phase Circuit Breaker 40.5 KV High Voltage 4000A

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June 04, 2025
Category Connection: Vacuum Circuit Breaker
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Tags:
#vacuum type circuit breaker #outdoor vacuum circuit breaker #indoor vacuum circuit breaker
Brief: Discover the ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker, a three-phase 50Hz power system switchgear designed for 40.5KV rated voltage. Ideal for industrial and mining enterprises, this breaker features a robust design for frequent operations and high-performance switching.
Related Product Features:
  • Three-phase 50Hz power system indoor switch equipment for 40.5KV rated voltage.
  • Integrated design of operating mechanism and circuit breaker body for versatile installation.
  • Suitable for altitudes up to 2000M and temperatures from +40°C to -30°C.
  • High-performance switching with a closing time of 80ms and a lifespan of 10,000 operations.
  • Robust insulation with a frequency withstand voltage of 100KV for 5 minutes and 2000V for 1 minute.
  • Lighting impulse withstand voltage of 185KV for enhanced safety and reliability.
  • Designed for frequent operations in industrial and mining enterprises.
  • Large cabinet design for easier maintenance and convenience.
FAQs:
  • What is the rated voltage of the ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker?
    The rated voltage is 40.5KV, making it suitable for high-voltage power systems.
  • What are the temperature and altitude limits for this circuit breaker?
    The circuit breaker operates effectively in temperatures ranging from +40°C to -30°C and at altitudes up to 2000M.
  • How many operations can the ZN85-40.5 circuit breaker perform?
    The circuit breaker has a lifespan of 10,000 operations, ensuring long-term reliability for frequent use.
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