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XJ Electric - Model ZSZ-811E -Operation Box
As an auxiliary control circuit for the operation of a three-phase circuit breaker, the device has functions such as pressure blocking, position monitoring, tripping and closing holding and anti-tripping, signal output and voltage switching.
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- It is suitable for circuit breaker control and operation in substations or power plants.
- Plug-in installation, flexible and convenient function configuration
- Reliable prevention of repeated "tripping-closing" of circuit breaker
- High reliability, high power, anti-power frequency interference, tripping/closing reinitiation design
- Self-adaption and stepped adjustment for flexibly meeting the operating current requirements of the operating mechanism
- Device voltage : DC125V/ DC250V
- Tripping and closing holding current : 0.25A/0.5A/1A/2A
- Operating voltage range of tripping and closing associated relay circuit : 55%～70% Ue
- Operating voltage range of other relay circuits : 30%～80% Ue
- Outlet relay contact : The breaking capacity is not less than 50 W, and the long-term allowable current is not less than 5 A.
- Signal relay contact : The breaking capacity is not less than 30 W, and the long-term allowable current is not less than 3 A.
- Dimensions : 259.3mm*281.4mm*177mm