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Power Relays, Over 2 Amps

The 1393230-8 is a type of power relay with electrical ratings over 2 amps. It is a three-pole contactor with one normally open (NO) and one normally closed (NC) contact, enclosed in a dust and moisture-resistant shell. The contactor is designed to handle loads up to 16A with a maximum of 200VA. The device comes with a six-position bridge linking the three poles for use with multi-pole applications.

Applications

The 1393230-8 is often used in motor control, switching and starter circuit applications. It can be used for high amperage loads such as HVAC systems, water heaters, pumps, compressors, and refrigerators. It is also suitable for lighting control and industrial automation systems. It can be used to isolate circuits and to switch heavy inductive loads.

Design

The 1393230-8 contactor is designed to provide a high level of protection against dust and water and high reliability in controlling high current loads. The contactor is designed with a dust and moisture shielding cover which provides added protection against debris and moisture when connected in outdoor applications. The contactor is sealed to prevent corrosion and is designed to operate in temperatures ranging from -40 °C to +85 °C.

Working Principle

When the 1393230-8 contactor is energized, current flows through the coil and creates a magnetic field which then magnetizes the armature. This magnetic force pulls the armature towards the coil and causes the electrical contacts to close. When the magnetic field loses its strength, the armature is pushed away from the coil and the electrical contacts reopen. The contactor remains energized until the voltage is cut off from the coil.

Advantages

The 1393230-8 contactor offers several advantages over traditional contactors. It is designed for higher current ratings and can be used in environments with higher temperatures and more dust and moisture. Its sealed design provides greater protection against corrosion and its six-position bridge connection allows for multiple pole applications.

Conclusion

The 1393230-8 contactor is a powerful and reliable device for controlling high amperage loads. It is designed to operate in dusty and moist environments while providing a high protection level against corrosion. The contactor is commonly used in motor control, switching, and starter circuit applications and is suitable for lighting control and industrial automation systems.

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