TS-709-12H Circuit Protection

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Circuit breakers are designed to protect electrical systems from overcurrents and short circuits. When an overcurrent occurs, the circuit breaker interrupts the current flow and immediately stops any further current from flowing through the circuit. The TS-709-12H is a type of circuit breaker that is designed to protect AC systems from overloads, short circuits, and line-to-ground fault currents in residential, commercial, and industrial applications.

The TS-709-12H circuit breaker has a rating of 12000A AC and is designed to be used for applications in which the voltage rating is 460V AC. It has two poles and one neutral. The circuit breaker is equipped with a thermal-magnetic trip unit which is designed to detect and clear faults quickly and reliably, increasing the safety of the circuit and preventing damage to connected equipment.

The TS-709-12H circuit breaker also features an adjustable delay and an adjustable instantaneous trip setting. The adjustable delay time allows the breaker to detect and instantly trip if a short circuit or overcurrent occurs. The adjustable instantaneous trip setting allows the breaker to delay the trip until the fault current exceeds the selected level.

The TS-709-12H circuit breaker is designed with a modular construction that allows for easy installation and maintenance. It comes pre-wired for quick connections and the trip unit can be easily removed for testing and calibration. The TS-709-12H is also equipped with visual indication of the breaker status and a manual reset button that can be used to reset the breaker after a fault condition has been cleared.

The working principle of the TS-709-12H circuit breaker is based on the physical characteristics of a bimetallic strip. The bimetallic strip is composed of two dissimilar metals, usually brass and iron, which expand and contract at different rates when heated. The strips are connected to two electrical contacts and when current flows through them, the strip will heat up and bend as one of the metals expands faster than the other. If the current exceeds the rated value of the breaker, the strip will bend and open the contacts, interrupting the flow of current through the circuit.

The TS-709-12H circuit breaker is designed to provide reliable protection for AC systems in a variety of applications. Its adjustable delay and adjustable instantaneous trip settings allow for precise protection and its modular construction makes it easy to install and maintain. The bimetallic strip-based working principle ensures that the breaker will open and interrupt the flow of current when necessary, providing maximum safety and dependability.

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