ESX10-TB-127-DC24V-12A-E

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Circuit breakers are designed to protect electrical systems and equipment against overloads and fault currents. ESX10-TB-127-DC24V-12A-E is one type of circuit breaker with its particular application field and working principle.

Unlike the conventional circuit breakers which are energized through the AC line, the ESX10-TB-127-DC24V-12A-E circuit breaker is designed to protect DC circuit and designed to handle the larger DC voltage, up to 24V. It is mainly used in equipment and applications such as DC motor controllers, DC wind turbines, photovoltaic systems, solar/PV home backup systems, communication battery backup system, security systems, radar and marine navigational systems and etc.

The ESX10-TB-127-DC24V-12A-E circuit breaker is a bi-metallic thermal-magnetic circuit breaker with a rated current of 12A. The operating circuit breaker mainly composed of four parts: the over-current detecting element, instantaneous trip element, latch element, and reset elements.

In normal operation, the current flows through the circuit breaker and the current detecting element, so the current-carrying capacity of the circuit breaker is determined by the steady-state current. The over-current detecting element senses the magnitude of the steady-state current, and when it exceeds the rated current, the instantaneous trip element will be activated and trips the circuit breaker.

The latch element will then be activated and locked the circuit breaker in the tripped state, to ensure that upon fault or short-circuit condition, the breaker will remain tripped and the fault or short-circuit can be corrected. To reset the trip function, the reset element will need to be activated and the circuit breaker can be restarted.

In this way, the ESX10-TB-127-DC24V-12A-E circuit breaker can protect DC circuit against overcurrent, overload, and short-circuit faults. It can ensure the safe and reliable operation of the circuit and prevent any potential damages or accidents due to the fault or short-circuit.

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