top of page
Circuit breaker 15 kV to 36 kV

Circuit breaker 15 kV to 36 kV

Medium voltage circuit breakers are essential equipment for protecting electrical circuits in distribution systems and substations. Designed to withstand voltages from 15 kV to 36 kV, these circuit breakers are ideal for industrial, commercial and public infrastructure applications, ensuring the safety and reliability of the entire electrical network.


Medium Voltage Circuit Breakers (15 kV to 36 kV)

  • Nominal Voltage (Ur): Up to 12 kV to 36 kV

  • Nominal Current (Ir): Up to 1,250 A

  • Rated Withstand Voltage at Industrial Frequency (Up): Up to 75 kV

  • Rated Short-Circuit Interrupting Current (Isc): Up to 52 kA

  • Nominal Peak Withstand Current (Ip): Up to 52 kA

  • Short-Time Withstand Current (Ik): Up to 31.5 kA

  • Nominal Frequency: 50/60 Hz

  • Mechanical Life (CO Cycles): Models with Up to 100,000 cycles

  • Opening Time: Up to 39 ms

  • Closing Time: Up to 45 ms

  • Auxiliary Circuit Insulation: Class 1 or Class 0

  • Tests according to IEC 60255-27 and IEC 62271-100: Voltage tests, lightning impulses, insulation resistance

  • Extinguishing Media: Vacuum.


    © 2025 - RELINK - CNPJ: 
    bottom of page