8340-T120-K1M1-ALH126-2A

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Circuit breakers are fixtures of industrial, commercial, and residential electrical networks. In industrial and commercial settings, circuit breakers are used as safety devices that are designed to disconnect power from a circuit in the event of an overload or short circuit. In residential settings, circuit breakers are commonly installed as a kind of safety measure in new electrical services, replacing the traditional fuse-box. The 8340-T120-K1M1-ALH126-2A is a type of circuit breaker that is widely used in industrial and commercial settings.

The 8340-T120-K1M1-ALH126-2A circuit breaker is a two-pole unit rated for 120amps and 600VAC (volts alternating current). It is suitable for a variety of applications, including branch circuits and feeder circuits, motor control or disconnecting lighting fixtures. The circuit breaker has an interrupt rating of 10,000A, which means it can disconnect large amounts of current in a short amount of time in the event of an overload or short circuit. It also features a long-time delay setting, allowing the user to control the amount of time it takes for the breaker to trip in the event of an overload. The long-time delay prevents large currents spikes due to initial inrush currents when motors start up.

The 8340-T120-K1M1-ALH126-2A circuit breaker is designed with a thermomagnetic trip unit. This unit includes a thermal element, which heats up with an increase in current and is responsible for tripping the circuit breaker in the event of an overload. Additionally, the unit is equipped with a magnetic element, which responds to currents in much the same way as the thermal element but operates at a faster rate. The combination of the two elements allows the circuit breaker to trip faster when large amounts of current draw are detected, as well as shut off the circuit at an appropriate time even when the current draw is lower.

In addition to its proven overload and short-circuit protection, the 8340-T120-K1M1-ALH126-2A circuit breaker offers additional safety features. For instance, it is designed to automatically reset after a fault has been cleared. This eliminates the need to manually reset the circuit breaker after every reset. Additionally, the circuit breaker is also designed with a door interlock. This interlock prevents the circuit breaker from being set to the on position when the breaker door is open. This ensures the safety of maintenance personnel who are servicing the circuit breaker while the power is safely disconnected.

In conclusion, the 8340-T120-K1M1-ALH126-2A circuit breaker is a reliable and safe piece of equipment for industrial and commercial applications. It is designed to disconnect power in the event of an overload or short circuit, as well as reset automatically after the fault is cleared. It also includes additional safety features such as a door interlock to ensure proper operation and the safety of maintenance personnel.

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