MONITORING UNIT TO MONITOR A CIRCUIT BREAKER UNDERSTANDING AN ELECTRIC POWER SUPPLY MANAGEMENT SYSTEM AND A CIRCUIT BREAKER UNDER SUCH UNIT

摘要

The present invention relates to a monitoring unit (1) for monitoring a circuit breaker and comprises: - a safety module (22) - programmable computing modules (40, 41, 42, 43, 44); - a power supply management system (4) configured to switch according to the level of power received from the power supply sources (10, 11, 12, 13) and according to a program predefined power supply, between: - an active power supply mode in which the security module (22) and at least a portion of the computing modules (40, 41, 42, 43, 44) are supplied with the incoming power, and - a security power supply mode, in which the security module (22) is supplied with power, and the computing modules (40, 41, 42, 43, 44) are not supplied with electricity.