![sensor_CBS](https://i0.wp.com/www.treetech.com.br/wp-content/uploads/2014/10/MG_9638-CBS.jpg?fit=300%2C300&ssl=1)
Continuously monitors the state of the coils, immediately alerting in case of failure. You can monitor up to 3 coils, for example: 2 circuit breaker opening reel, 1 closing coil in addition to the power supply voltage, with separate signaling contacts for each event.