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
Specification
- 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