G3VM-21LR11(TR)

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Solid State Relays (SSRs) are electronic components used to switch AC or DC electrical loads, such as motors, electric heating elements, incandescent and fluorescent lamps, solar cells, and others. The G3VM-21LR11(TR) is a one-channel surface mount SSR from Omron, designed for low-power non-industrial applications such as consumer electronics, home automation systems, and automated industrial machinery.

The G3VM-21LR11(TR) is a DC-controlled SSR rated for 3 amps at 80VAC, with zero voltage turn-on capability and a maximum leakage current of 5mA. It features a transparent body for easy inspection, a built-in snubber circuit for better noise immunity, and a swell suppression circuit for improved reliability. The package includes an on-board blocking diode for protection against relay contact damage when powered by DC.

The operation of the G3VM-21LR11(TR) is based on an optically isolated semiconductor device, which acts as a switch to control the electrical load. When the input is activated, the LED emits light which is then absorbed by a photosensitive diode. This triggers the semiconductor switch which then turns on the output. The output is then connected to the electrical load, which is switched on or off depending on the state of the input.

The G3VM-21LR11(TR) is ideal for applications that require low power switching and a compact size. It is suitable for environments that require a high degree of electrical noise immunity, as well as conditions where space is limited. Its on-board blocking diode prevents relay contact damage from DC supply, and the efficient heat dissipation ensures a long life for the relay.

The G3VM-21LR11(TR) is an excellent choice for non-industrial applications such as consumer electronics, home automation systems, and automated industrial machinery. Its compact design, low power switching capability, and efficient heat dissipation allow it to meet the demands of these applications. Its opto-isolated design ensures a high degree of electrical noise immunity and its built-in snubber and surge suppression circuits provide improved reliability. In addition, its on-board blocking diode protects against relay contact damage when powered by DC.

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