12kV 630A-4000A courtoisie nominale Courant de fermeture de courant de vide Détecteur de circuit supérieur Protection

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November 14, 2024
Category Connection: Disjoncteur sous vide
Brief: Discover the 12kV 630A-4000A Rated Short Circuit Closing Current Vacuum Circuit Breaker, designed for superior protection in power systems. This high-performance breaker uses vacuum arc extinguishing technology, ensuring quick operation and long service life. Ideal for power plants, substations, and industrial applications.
Related Product Features:
  • Rated short-circuit making current up to 400kA for robust protection.
  • Rated short-time withstand current ranges from 25kA to 200kA.
  • Compact and lightweight design for easy installation and maintenance.
  • Quick make-and-break operation for efficient power management.
  • Suitable for 50Hz/60Hz rated frequency applications.
  • Rated operation sequence of 0.3s-180s-180s ensures reliability.
  • Designed for indoor switchgear with high safety standards.
  • Long service life with minimal maintenance requirements.
Les questions:
  • What is the rated voltage range for this vacuum circuit breaker?
    The rated voltage ranges from 6kV to 36kV, making it versatile for various high-voltage applications.
  • How many times can the breaker handle rated short-circuit closing?
    The breaker is designed to handle rated short-circuit closing up to 20 times, ensuring durability under extreme conditions.
  • Where is this vacuum circuit breaker commonly used?
    It is widely used in power plants, substations, and industrial and mining enterprises for reliable power distribution and protection.