IEG6666-1REC4-72-50.0-01-V Circuit Protection

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Circuit breakers are devices used to protect electrical circuits and equipment from damage due to overcurrents. The IEG6666-1REC4-72-50.0-01-V circuit breaker is an electrical safety device designed to protect circuits and equipment from overcurrents. In the event of an overcurrent condition, the breaker trips and isolates the circuit, preventing further damage and increasing safety.

The IEG6666-1REC4-72-50.0-01-V is a rated current, indoor and outdoor low voltage circuit breaker. It is suitable for AC 50 (60) Hz with a rated operating voltage of up to 690V. It is designed to protect motor circuits, disconnecting and switching power, lighting and other protected circuits. It can also be used in photovoltaic system circuits for AC and DC viewings and motor switching.

The circuit breaker works by monitoring the current in the circuit, using a pair of contacts to trip when the current rises above a predetermined level. When the current rises above the rated current, the heating of the concerned components inside the circuit breaker increases the temperature, causing a thermal release element in the breaker to actuate. This forces the contacts of the circuit breaker to separate and break the circuit, thus preventing the occurrence of an overload.

The IEG6666-1REC4-72-50.0-01-V nameplate contains all the important data about the switch state, including its model, size, Ui, In, rated current Ith (in which case the switch is operated) and rated short-circuit breaking capacity, both for AC and DC viewings. The switch structure ensures reliable contacts between the conductive parts and the thermal elements, as well as low contact resistance and low internal temperature rise.

The core of the IEG6666-1REC4-72-50.0-01-V circuit breaker is the thermal and magnetic tripping element, which is the main component making the circuit breaker work independently. At normal operating conditions, the circuit breaker will keep its contacts closed and the current will pass through it. When the current exceeds the preset threshold, the thermal elements will heat up and cause the tripping elements to actuate, separating the contacts and breaking the circuit.

The IEG6666-1REC4-72-50.0-01-V circuit breaker is designed to protect electrical circuits and equipment from overcurrents. It is a reliable safety device that is both easy to install and maintain. It is highly durable and has a long service life. It is also easily testable to confirm proper operation.

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