G3VM-351A

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Solid state relays (SSRs) have gained more attention and acceptance lately due to their convenience and versatility. They can replace electromechanical relays in any application, providing greater accuracy, less contact wear, faster response time, and no noise. The G3VM-351A is a small-sized, solid state relay that utilizes a photocoupler to isolate the control and load circuits and switching elements.

The G3VM-351A is a voltage-sensing device with two independent 4-pin terminals: a control terminal and a load terminal. The control terminal is driven by an input voltage, connected to the gate of a TRIAC, and the load terminal is connected to an AC load voltage. The TRIAC, which is controlled by the optical coupler, is triggered on to switch the load voltage.

The G3VM-351A can be used in a number of applications, including motor control, lighting control, and temperature control. It is especially suitable for use in medical equipment, vending machines, and home appliances. Its AC output voltage can range from 0V to 240V, with its control voltage range being 80V~300V. With its higher input current, the G3VM-351A is able to better control the switching of both AC and DC loads.

In addition to its wide range of application fields, the G3VM-351A is also reliable and long-lasting. It features a nominal switching life of 10 million operations and a low off-state leakage current of 5uA. The device is also highly safe, and features a reinforced isolation structure certified to EN 60950-1. With these features, the G3VM-351A is an excellent choice for a range of applications.

The working principle of the G3VM-351A is fairly straightforward. The control terminal is connected to the gate of a TRIAC, a bidirectional thyristor which acts as a semiconductor switch. An optically-isolated GaAs LED creates a constant current in the photocoupler which is used to control the switching of the TRIAC. When a high signal is applied to the control terminal, the TRIAC is turned on and the load is connected to the AC power supply. When the signal is removed, the TRIAC is turned off, disconnecting the load.

The G3VM-351A is an excellent choice for a range of applications, providing superior accuracy, fast response time, and no contact wear. Its safety features make it one of the most reliable and long-lasting SSRs on the market. With its wide range of application fields and its reliable and long-lasting design, the G3VM-351A is an excellent choice for a number of applications.

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