CC9/4SA110

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Contactors (Electromechanical) find extensive application fields in many areas from commercial to industrial use. One such contactor is the CC9/4SA110. This article will discuss the application field and working principle of the CC9/4SA110.

The CC9/4SA110 contactor is designed for switching of loads up to 16 amperes of AC and DC. It is also well suited for control and signaling circuit purposes. The contactor can be used in many areas, such as industrial plants, power substations, office buildings, hospitals, airports, and even residential dwellings. Furthermore, the contactor can be used to switch high voltage lines and low voltage lines, allowing it to provide a safe and efficient transfer of power.

The CC9/4SA110 contactor is electrically operated and uses a coil to create a magnetic force in order to close or open the contact points. The contactor contains 3 contact points, one normally open point, one normally closed point, and a common point. When power is applied to the coil, a magnetic force is generated which causes attraction between the contact points. This results in the closure of the normally open contact point, while the normally closed contact point remains open. Once the power to the coil is switched off, the attraction between the contact points is removed and the normally closed contact point closes while the normally open contact point opens.

The contactor is also designed with a mechanical system that helps to reduce the risk of contact welding, which can be caused by high current. The contactor contains two interacting mechanisms, the holding lever, and the releasing lever. When the contactor is energized, the releasing lever will be pulled by the magnetic force of the coil, while the holding lever will be pushed back. This creates a moment, where the force of the releasing lever is greater than the force of the holding lever, causing the contact points to close. When the coil is de-energized, the releasing lever is allowed to relax and its force decreases, while the holding plate’s force increases, causing the contact points to open.

The CC9/4SA110 contactor is durable, efficient, and reliable for switching of high as well as low current applications. It is also designed with enhanced protection features to ensure safety and proper operation. The contactor is also suitable for use in many applications due to its wide voltage range and solid construction.

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