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Power Relays, Over 2 Amps: G2R-2-H-DC12 application field and working principle

G2R-2-H-DC12 is a type of power relay that allows higher current capacity up to 2A or higher. It is widely used in various electrical wiring applications, ranging from home appliances and office equipment to industrial automation equipment.

G2R-2-H-DC12 is a double-contact relay, which is composed of two contact-forming elements separated by a protective shield. It is usually composed of a coil and contacts. The coil of the relay is normally an insulated electric wire wound around a magnetic core for efficient reactivity. The contacts can be either normally-open (NO) contacts, normally-closed (NC) contacts, or changeover (C/O) contacts.

When a current is supplied to the coil, it will generate a magnetic field, which induces a mechanical force on the contacts of the relay, switching them from their initial position to their closed/open state, which are predetermined by the user. With the help of this switch action, the relay is then connected or disconnected from its contacts for the intended electrical circuit. Generally, the contacts of the relay are connected to an external circuit, and the relay is then used to switch the electrical circuit “on” or “off.”

The application fields of G2R-2-H-DC12 are varied, ranging from home appliances and office equipment to industrial automation equipment. It can be used to control electric signals, such as control motor start/stop, control fan speed and valve opening/closure signals, etc. Moreover, they can also be used in lighting systems and are suitable to be incorporated into electrical panels for safety and security.

In order to ensure the best performance of G2R-2-H-DC12, it is important to correctly select the relay specifications. The rated current is usually determined by the current capacity of the circuit, and the contact type should be selected according to the number of contact points and the required switching action. Moreover, for higher-voltage applications, a relay with a higher voltage rating should be used, and the contact materials should be selected according to the contact material used in the main circuit, such as silver, gold, and other contact materials.

To sum up, G2R-2-H-DC12 is a type of power relay with a wide range of application fields and working principles, which can be used in a variety of circuits. With the correct selection of specification, it is easy to find the best suit power relays for different applications.

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