209-1-1REC5-25290-4

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A circuit breaker, model 209-1-1REC5-25290-4, belongs to a type class of circuit protection devices. It is used for operations related to power distribution, equipment protection, and controlling motors in all types of industrial, commercial, and residential applications. The 209-1-1REC5-25290-4 circuit breaker is designed to offer safe protection against possible electrical or mechanical overloads or short circuits.

Application Field

The 209-1-1REC5-25290-4 circuit breaker is designed for two primary applications: overload protection and short circuit protection. Overload protection is used to protect electrical systems, equipment, and components from being damaged by too high of current. This is done by opening the circuit when the normal current amount is exceeded. Short circuit protection is used to protect electrical systems, equipment, and components from being damaged by short circuits, which can create high currents that exceed the circuit’s capabilities and damage the components.

In addition to these primary applications, the 209-1-1REC5-25290-4 circuit breaker is also suitable for operations related to motor control, such as controlling the speed of a motor and/or switching between open and closed positions. Such operations are particularly important for equipment with variable speed motor drives (VSDs). For example, the breaker could be used to reduce the speed of a VSD before it reaches a predetermined speed limit set for the system.

Working Principle

At the heart of the 209-1-1REC5-25290-4 circuit breaker is its operating principle, which involves measuring the current passing through the circuit. These measurements are then compared to a predetermined circuit breaker rating and if the current surpasses the rating, then the circuit breaker trips and opens the circuit. When a current passes through the circuit, it will generate a magnetic field. This magnetic field will cause a small plunger or armature in the circuit breaker to be attracted, thus causing a spring loaded switch to move and trip the circuit.

The 209-1-1REC5-25290-4 circuit breaker also has an incorporated thermal overload relay, that is used to protect circuit components from damage caused by heat. This thermal overload protection operates by detecting elevations in heat emitted from the circuit components and then trips the circuit when these levels exceed a predetermined limit.

Conclusion

The 209-1-1REC5-25290-4 circuit breaker is a reliable device for protecting electrical systems, equipment and components from overloading and short circuit damage. The breaker works by using a magnetic field generated by the current passing through the circuit that then causes a plunger or armature to be attracted, tripping the circuit breaker. Additionally, the circuit breaker incorporates a protective thermal overload relay that trips the circuit when the heat emitted from the components exceeds a predetermined temperature limit.

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