CDC40-12

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Contactors (Electromechanical) have become an essential addition to many industrial applications. In particular, the CDC40-12 contactor has become one of the most popular products in its field due to its affordability, reliability, and ease of use. This article will explain the application field of a CDC40-12 contactor and how it works.

CDC40-12 contactors are used in situations where switching of electrical circuits or voltage is required. A common application field is to control high voltage and low current circuits. The CDC40-12 contactor is designed to handle up to 460 volts for single phase or two phase, and up to 600 volts for three phase applications. The contactor is typically used to make and break electrical control circuits and is a very reliable device for controlling motors, pumps, compressors, and heaters. The CDC40-12 contactor is also used in many industrial applications where an on/off switch for a larger circuit or device is needed.

The primary working principle of a CDC40-12 contactor is the use of an electromagnetic coil. When current is applied to the coil, a magnetic field is generated; this magnetic field attracts an armature or plunger, then connects the pair of electrical contacts. This allows the opening and closing of the contacts, which switches the flow of electricity in the desired way. When current is removed from the coil, the plunger returns to its original position, opening the electrical contacts.

A CDC40-12 contactor also includes an over-temperature protection mechanism. This circuit monitors the temperature of the contactor and limits the voltage or current going to the contactor if the temperature rises. This prevents the contactor from potentially shortening its lifespan due to extremely high temperatures. Additionally, there is an electromagnetic start switch which helps to increase the life expectancy of the contactor by only allowing the contacts to open or close when the load is active.

The CDC40-12 contactor is designed to be cost effective for many industrial applications, as well as reliable and efficient. It is well suited for many control applications, including motor control, high voltage switching, and device control. Its working principle and over-temperature protection make it the ideal choice for these applications. With its popularity and availability, the specifications and features of the CDC40-12 contactor make it ideal for a variety of industrial control needs.

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