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Automatic circuit breaker ETIMAT10 3P C 40A 10kA AC - 002135720. The circuit breaker is one of the basic protective automation devices used to limit short circuits and overloads of the electrical installation. A current flow that is too high relative to the circuit breaker's rated current causes it to trip and interrupt the electrical circuit. This aims to protect devices and installations from damage and, ultimately, from fire.
It is most commonly used in residential building electrical installations to protect lighting, socket, and control circuits. The design of the breaker allows for the installation of additional equipment, such as auxiliary contacts, for remote signaling of the device's operation. The device can also be equipped with shunt or undervoltage releases.
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