ACC338UMM20

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Power Relays, Over 2 Amps

ACC338UMM20 is a high power relay used for the purpose of switching or controlling the current in a circuit. The maximum current output of the relay is up to 2 amps. The device is highly reliable and offers a wide range of switching capabilities. It has a zero-crossing feature, which means that it will trip the power switch at precisely the same time each time the voltage passes through zero. This makes it an excellent choice for applications that require a reliable and consistent switching of power without any fluctuations.

The ACC338UMM20 is designed to operate with two to three contact form C power contacts. It can also be used with a single contact form C power contact. All the power contacts are plated with silver as well as gold for enhancing corrosion resistance. The relay also comes with an external reset button, which can be used to reset the relay in case of any faults.

The ACC338UMM20 relay has a wide range of applications. It can be used for load switching applications like illumination systems, water heaters, and electric motors. It can also be used to control the current in AC/DC control circuits of electrical appliances, and can also be used to control the speed of charging and discharging of batteries. Additionally, the device is suitable for use in automotive control systems, motion control systems, solar inverters, and electronic equipment.

The working principle of the ACC338UMM20 relay is based on the electro-mechanical principle. When the coil is energized, the electromagnetic field produced attracts an armature and a contact. Thus, when the armature is pulled, the contact is energized and the load is switched. The action of the contact is determined by the number of contacts that it has and by the contact form. The contacts can be NO (Normally Open) or NC (Normally Closed), depending on the application. The material used for the contact is usually silver-plated copper or gold-plated copper.

Apart from switching applications, the ACC338UMM20 relay can also be used for protection purposes in a circuit. It can provide over-current protection, over-voltage protection, and open-circuit protection. An internal overload relay can also be included to protect the relay from any sudden load surges. Furthermore, as the relay is designed to directly operate on a voltage source, no external control system is needed for operation.

Over-all, the ACC338UMM20 is a versatile high power relay that can be employed in different applications like load switching, motor control, and protection circuits. It is highly reliable and offers a long service life. The device comes with several features such as zero-crossing and external reset button. It is also designed for easy installation and offers an excellent cost-performance ratio.

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