3120-F321-H7T1-W19DG4-5A

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Circuit breakers are devices that are used to prevent overloading of circuits. They are usually used to protect against possible fire hazards due to an overload of electrical current. The 3120-F321-H7T1-W19DG4-5A is a type of circuit breaker that can be used for a variety of applications, including residential and commercial applications.

The 3120-F321-H7T1-W19DG4-5A is a single pole, modular, 2 wire circuit breaker that is UL 1077 recognized for residential, commercial, or industrial applications. This device is rated for use up to 12 amps and incorporates a trip-free mechanism that prevents it from becoming reset if an over-current condition still persists. The 3120-F321-H7T1-W19DG4-5A is designed to be used as either a branch circuit protection type breaker, which is used in residential and commercial applications, or as a molded-case circuit breaker (MCCB) type breaker which is used in industrial applications.

The 3120-F321-H7T1-W19DG4-5A works by utilizing a trip mechanism that is designed to detect an over-current condition and then trip itself automatically. This is done by sensing a current level that exceeds a predetermined threshold and then causing the breaker to open and switch off the power

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