219-3-2R-2911-28

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Circuit breakers are devices designed to interrupt circuits in the event of an overload or fault condition associated with too much current, such as an overload. They are used in all types of electrical, electronic and power systems for protection and safety. One type of circuit breaker is the 219-3-2R-2911-28.

The 219-3-2R-2911-28 is a two-pole circuit breaker that is designed to be used in 120/240V single phase and three-phase circuits. It is rated for double-pole 15/20/25/30A systems and features a thermal-magnetic tripping system for fault protection. This device is suitable for use in residential and commercial applications.

The working principle of the 219-3-2R-2911-28 circuit breaker is based on two components. The first component is the thermal element, which is a bimetallic strip that consists of two different metals that expand and contract at different rates when heated. The expansion and contraction cause the strip to bend, which trips the breaker at a certain temperature. This is useful for protecting against short circuits or large overloads.

The second component is the magnetic element, which is an electromagnet that senses and responds to the current flowing through the breaker. When the current reaches a certain level, it acts on the magnetic element and causes it to trip. The instantaneous trip setting is adjustable, and this allows the breaker to protect the circuit from even the slightest overloads.

The 219-3-2R-2911-28 is typically used in residential and commercial applications, including air conditioning systems, lighting circuits, service panels, and motor circuits. It is also useful for heavy-duty industrial applications, such as welding, heating, and grinding. In addition, it can be used in marine applications, where it provides valuable protection from hazardous conditions and short circuits on the high seas.

This circuit breaker is a reliable and cost-effective option for protecting circuits from damage due to short circuit, overload, or other faults. By combining the thermal and magnetic components, it can be used in a variety of applications to provide much-needed protection.

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