G3VM-21HR(TR) Relays

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Solid State Relays (SSRs) use electronic components such as transistors, opto-isolators, TRIACs and FETs to switch between two states. SSRs allow a current or voltage to pass through a semiconductor material, which is then controlled with an input signal. They provide high performance in applications requiring fast response times, high switching speed, reliability and, depending on the model, very low power demands. The G3VM-21HR(TR) Solid State Relay from Omron is a unique relay that provides high performance for a wide variety of applications.

The G3VM-21HR(TR) is a Plug-in SSR suitable for general-purpose AC and DC loads. The main features include a power rating of 10A, 100-300VAC, 0.4W power consumption, and a contact circuit of 250V/50mA. It is a two-pole, normally open, electromechanically latching, zero-cross type SSR which can be triggered either directly with a signal from a control system or with a momentary input signal. The SSR is available in both a standard type (G3VM-21HR) and traceable type (G3VM-21HR(TR)). The traceable type provides an LED indicator showing the condition of the output, and also a label with a model number to facilitate traceability.

The G3VM-21HR(TR) is not only reliable as well as stable, but also simple to use and cost effective. It is used for controlling lighting, pumps, motors, air conditioners, heaters, solenoid valves, fans, and so on. It is robust and resistant to vibration, dust, moisture and other environmental impacts. Special materials allow it to operate in temperatures as low as -40 °C and as high as +75 °C. With a wide operating voltage of 100-300VAC and high contact rating, the G3VM-21HR(TR) can handle a wide range of applications.

The G3VM-21HR(TR) works on the principle of zero-cross switching, which helps reduce unnecessary switching noise as well as tensile stresses. In this type of switching, the SSR contacts open and close at the zero-crossing points of an AC voltage. This ensures that the contacts move freely and avoid electrical arcing and contact bounce, thus improving the performance and life of the SSR. It also helps reduce power consumption since the switching device is only turned on and off at the zero-crossing. This makes the G3VM-21HR(TR) one of the most environmentally friendly SSRs on the market.

The G3VM-21HR(TR) is ideal for applications that require fast switching speeds, high performance, and low power consumption. Its use as a simple, low-cost control system in industrial applications makes it a popular choice for engineers and technicians. Its wide range of uses, from controlling motors and pumps to controlling lighting and heating systems, and its long service life and reliability make the G3VM-21HR(TR) a preferred SSR for many applications.

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