18736Q200

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Power Relays, Over 2 Amps

Power relays are electrical devices that open or close electrical circuits by using an electromagnet. In simple terms, a power relay is an electro-mechanical switch that is used to control electrical current flow in a given circuit by completing or breaking the path of an electrical current. The 18736Q200 power relay is a specialized designed multi-functional device, widely used in lighting control and industrial automation applications due to its ability to control switch circuits, motors, lamps, pumps, fans, and other electrical components that require high current ratings.

Application Field

Literally, a power relay is useful in a variety of applications including tracking relay, RF transformer, switching power supply, and automated industrial processes. In the case of 18736Q200, the power relay is suitable for controlling the power and switching the current of loads, electric and lighting motors, pumps, fans, small wind turbines, motorized curtains, lamps, and the wide range of air-conditioning devices that require high current ratings and hard switching. The 18736Q200 also works brilliantly in applications such as electric heaters, lighters, fridges, washing machines, and other household appliances since it can operate at high speed and lower current-carrying capacity.

Working Principle

The 18736Q200 power relay is based on a three-phase relay design with an integrated coil. The core of the power relay is made up of three parts - the component, which is the switching element; the shield, which provides electrical insulation requirements; and the contact form, which shapes the contact behaviour. Its integrated coil is a ferroresonant type that can be designed with various poles and can have a wide range of operating voltage ratings ranging from 200 to 1000 volts.

The working of a power relay starts when an electrical current enters to the core and energizes the coil. This energy causes an increase in flux within the system which in turn creates a magnetic field, which acts as a mechanical force and thus attracts and operates the power relay’s switching element and makes or breaks the current flow path. When the coil is not energised, the contact is automatically opened, thus cutting the current flow. The field of flux created by the power relay coil attracts the armature, which gives rise to a meaningful operation of the power relay.

Elementary Components

The 18736Q200 power relay consists of elementary components such as contacts, coil, springs, and armature. The coil is responsible for producing an electromagnetic force which attracts and releases the armature. The contact is a conductor which serves as the switch, and it is this contact that opens and closes the electric circuit within the power relay. Furthermore, the servo springs bring about return operations of the contact when power is removed. The armature is the component that reacts to the applied magnetic field. It is attached to the diaphragm and lever of the system which moves according to the magnetic force changes that occur and this further allows the power relay to close or open the contact.

Advantages

The 18736Q200 power relay is designed to provide a wide range of electrical signals. It features a tight contact gap, high speed response, high repetition accuracy, and long service life. It is also an energy-saving device and highly reliable, as it offers a low voltage drop, a wide current range, and low impedance values that improve the output performance of any given installation. Also, the power relay is designed with good heat dissipation to provide a secure operation with minimal electromagnetic interference and improved safety.

The 18736Q200 power relay can be used in a wide variety of applications since it has a high current rating of over 2 amps, with excellent insulation between contacts and improved levels of contact reliability. It is also maintenance-free, so it is highly efficient and cost-effective in comparison to other types of power relays.

Conclusion

The 18736Q200 power relay from Schrack is a reliable, durable and highly versatile device, suitable for controlling various types of electrical appliances, in various fields ranging from household devices to industrial and commercial applications. It can provide high current ratings and is easy to install and maintain. Its unique features such as fast response, high-power rating, low voltage drop, and high reliability make it well suited to applications where power and accuracy are of the highest importance.

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