15kV 1200A

The 5221 series vacuum breaker is designed to provide over current protection for all types of electrical feed circuits by interrupting fault current upon a trip signal. The SMC breaker may be closed by operating the manual closing crank or with an appropriate signal if equipped with under voltage release or shunt trip signal options


  • Continuous current: 1200 Amps
  • Interrupting current: 20,000 Amps
  • Peak Momentary current: 52,000 Amps
  • Short time: 20,000 Amps
  • Maximum voltage: 15,000 Volts
  • Basic Impulse Level: 95,000 Volts