279-1-1-51-9-8-3-H

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Introduction to Circuit Breakers

Circuit breakers are electrical protection devices that are designed to protect an electrical circuit from damage caused by overloads and short circuits. They are a key part of electrical safety in any home or commercial setting. Circuit breakers are designed to open (or “trip”) when the electrical current in a circuit exceeds the breaker’s capacity. The breaker then must be manually reset to resume normal circuit operation.

279-1-1-51-9-8-3-H Circuit Breaker

The 279-1-1-51-9-8-3-H circuit breaker is an advanced form of protection device designed to protect circuits from both over-current and short-circuits. It is rated for 125/250V AC, 7800A interrupting capacity and provides 10kA short-circuit protection. It is UL 489 listed and has an additional UL 1077 supplemental listing, making it extremely suitable for higher-risk circuits like those used for ovens, clothes dryers, water heaters and room ACs.

279-1-1-51-9-8-3-H Application Field and Working Principle

The 279-1-1-51-9-8-3-H circuit breaker is suitable for use in residential and commercial settings. This type of circuit breaker is designed to keep electrical equipment safe from both overcurrent and short-circuit damage. It features thermal-magnetic operation with push-button trip release which will trip the breaker if the current passes the rated level. Additionally, it has a trip-free actuation that will trip the breaker if a short circuit occurs. This ensures the safety of both the equipment and personnel.

The 279-1-1-51-9-8-3-H circuit breaker uses both thermal and magnetic elements. The thermal element is designed to sense overcurrent situations and will open the breaker if the current passes the rated level. This element is often referred to as an overcurrent release. The magnetic element is designed to detect short circuits. When a short circuit is sensed, the magnetic element automatically trips the breaker, no matter if the current is greater than the rating.

The 279-1-1-51-9-8-3-H circuit breaker is an invaluable safety device and will help ensure safety and extend the life of your electrical equipment It is important to ensure the circuit breaker is installed correctly and according to the manufacturer’s recommendations. Failure to do so may result in faulty performance or even worse, potential injury.

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