CC18SA110

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Contactors (Electromechanical) are widely used in industry for controlling the power to electrical appliances and other equipment. The CC18SA110 contactor is a common product for this purpose. This article will discuss the application field and working principle of CC18SA110 contactors.

A CC18SA110 contactor is a two pole, 10 A, dual voltage contactor. It is suitable for applications running on either 240 V or 400 V supplies. It is used for switching electrical appliances such as pumps or motors as part of an electrically controlled system, usually in industrial or commercial contexts. It can be used in applications where frequent switching is required, such as for motor speed control in conveyor systems, and is also suitable for high inrush currents such as those produced by air conditioning systems.

The contactor can be used as either a make contact or a break contact depending on its configuration. For make contact, the contactor closes when voltage is applied, thus allowing current to flow from the appliance or motor being controlled to the power source. For break contact, the contactor is designed to open the circuit when voltage is applied, thus preventing current from flowing from the controlled device to the power source.

The contactor consists of an actuator (such as a solenoid), an auxiliary contact, and a live contact. The actuator is responsible for controlling the contactor’s operation, by physically opening or closing the live contact. The auxiliary contact is used to transfer the control voltage from the actuator to the live contact. When the actuator receives voltage, it transmits a force that causes the live contact to open or close, depending on its configuration.

The contactor also contains various safety features. The contactor is designed to prevent the power supply from reaching the controlled device if an abnormally high current is detected. This is achieved by using a protective device, such as a thermal overload protector, which is designed to cut off the power when the current exceeds a certain level. The contactor also contains an arc quenching circuit, which helps to reduce the amount of arc between the contact surfaces when the contactor is opened and closed, and thus minimize the risk of sparks.

The CC18SA110 contactor is a reliable and cost-effective option for controlling the power to electrical devices such as pumps and motors. It is suitable for applications where frequent switching is required, and can handle high inrush currents without risking damage to the equipment. The contactor also features various safety features, such as a protective device and an arc quenching circuit, which help to minimize the risk of sparks and damage to the equipment.

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