8340-T120-K1T2-ALH0-50A

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Circuit Breakers

Circuit Breakers are electrical devices that are meant to guard against overloads and short circuits. The device interrupts an electric circuit when an excessive electrical current is passing through it, by the opening and breaking of an internal switch. This prevents an overload from disrupting or damaging connected equipment which could result in an electric shock, or even fire hazards.

8340-T120-K1T2-ALH0-50A

The 8340-T120-K1T2-ALH0-50A circuit breaker, also known as a Thermal-Magnetic Circuit Breaker or a NEMA-15 Circuit Breaker, is a type of circuit breaker used in various electrical systems. This circuit breaker is particularly well-suited to industrial systems such as industrials and commercial buildings, where under/overvoltage conditions occur, such as in the case of power outages.

Application Field

The 8340-T120-K1T2-ALH0-50A circuit breaker is suitable for applications in single phase and three phase systems. It is used to either open or close a circuit or to protect a device from over-heating and overloads. It is also suitable for applications in households such as Home Automation systems as well as industrial systems.

Working Principle

The 8340-T120-K1T2-ALH0-50A circuit breaker is designed to protect electrical systems from the effects of an electric overload. The breaker has two distinct types of operation: Thermal-Magnetic and Magnetic only. The Thermal-Magnetic circuit breaker uses two separate and independent tripping elements, one thermal and the other magnetic, and automatically closes after a set time delay. The thermal components detect when the current reaches a certain level determined by the thermal components and trips the circuit. The magnetic components in turn detect when the voltage reaches a certain level and triggers the tripping. The Magnetic only setting allows the breaker to open if the current (or voltage) reaches a certain level.

In addition, the breaker also features a time delay or reset mechanism. This allows the breaker to remain closed even after an overload occurs and will only open after a pre-set time. This is especially beneficial in situations where brief overloads occur, as it prevents the circuit breaker from prematurely opening and tripping the electrical system. This reset mechanism also helps to prevent false tripping due to small spikes in current flow.

For greater protection, the 8340-T120-K1T2-ALH0-50A Circuit Breaker also features an adjustable thermal/magnetic curve setting. This allows the user to adjust the breaker\'s temperature/current/voltage trip points in order to customize the breaker\'s operation for any given application. This allows the user to further optimize the breaker for the specific electrical system and environment, which ultimately ensures maximum protection for the connected equipment. The adjustable thermal/magnetic curve setting adds an extra layer of protection to the breaker and makes it one of the most reliable and protective Circuit Breakers available.

The 8340-T120-K1T2-ALH0-50A Circuit Breaker is also easy to install and maintain, making it an ideal choice for most residential, commercial and industrial applications. In addition, the breaker is also UL 489 rated, which means it meets the safety standards set out by the Underwriters Laboratories Inc. This ensures that the breaker meets the highest standards of safety and will provide reliable protection for the connected equipment.

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