Yueqing Yijin Electronics Co., Ltd.
Beiyuan BB1-63 miniature circuit breaker accessories
MV+MN three-phase overvoltage/undervoltage+phase loss
The accessories of this series of circuit breakers are auxiliary functional components specially designed by our company for the Beiyuan BB1 series circuit breakers, which achieve functions such as line working status indication and trip alarm
When the main circuit voltage is (85%~110%) Ue, the release should be able to maintain long-term operation of the circuit breaker. When the voltage of the main circuit rises to (460V ± 15V) or falls to (300V ± 15V), the release combined with the circuit breaker should act to drive the circuit breaker to open
Scope application
The accessories of this series of circuit breakers are auxiliary functional components specially designed by our company for the Beiyuan BB1 series circuit breakers, which achieve functions such as line working status indication and trip alarm
Main technical parameters
| product name | model | Rated working voltage Un | Voltage value |
| Three phase overvoltage and undervoltage+phase loss | MV+MN | 380V | Overvoltage value Uvo=460V ± 15V Undervoltage value Uoe=300V ± 15V |
product overview
MV+MN three-phase three wire overvoltage and undervoltage release device
Action characteristics:
When the main circuit voltage is (85%~110%) Ue, the release should be able to maintain long-term operation of the circuit breaker. When the voltage of the main circuit rises to (460V ± 15V) or falls to (300V ± 15V), the release combined with the circuit breaker should act to drive the circuit breaker to open
| Rated frequency | protection grade | rated insulation voltage | Product width | Ambient Temperature | storage temperature |
| 50/60Hz | IP20 | 500V | 18mm | -35℃~+70℃ | -35℃~+70℃ |
