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Electronic trip device provided with monitoring means, circuit breaker equipped with such trip device and monitoring method
Electronic trip device provided with monitoring means, circuit breaker equipped with such trip device and monitoring method
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机译:具备监视装置的电子跳闸装置,具备该跳闸装置的断路器以及监视方法
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摘要
The device has a current sensor (4) to supply a signal representative of a current intensity in a main conductor. An actuator (6) actuates an opening mechanism of contacts in series with the conductor. An electronic processing unit (5) controls the actuator based on the signal values. The unit has a monitoring unit to monitor the state of connections of the sensor and/or actuator, and a display unit (32) to display an operating state of the device. The monitoring unit acts on the display unit to display the connection state, while maintaining processing to control the actuator. An independent claim is also included for a method for monitoring the state of connections of an electronic trip device.
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