ASSR-302C-302E

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Solid State Relays

A solid state relay (SSR) is a device that uses a semiconductor to control the switching of an electrical power source, replacing the electromechanical contactor used in traditional relay systems. Low power control signals are used to switch electric currents of greater power, eliminating the need for bulky mechanical systems and reducing power losses from contact materials and contact wear. One of the most widely used SSRs is the industrial ASSR-302C-302E, which can control currents up to 690VAC and is designed for a variety of applications and environments.

ASSR-302C-302E Application Field

The ASSR-302C-302E is suitable for controlling virtually anyAC application involving heating, lighting, ventilation, and motors. Typical applications include temperature controllers, process controllers, machine tools, lighting, and home automation. This SSR is also used in a wide range of industrial environments, including hazardous locations (Class I, Division 2) and areas with high ambient temperatures and hazardous dust conditions. Because it is a semiconductor device, it is well-suited for extreme conditions, such as deep sea, space, or desert work.

ASSR-302C-302E Working Principle

An SSR works by using low power DC control signals to operate an electronic switch, such as a thyristor, to switch on or off the power supply. The input can be either a DC or AC signal and the output can be either voltage or current. The SSR can be used to switch between 0 to 5 Volts or 0 to 12 volts DC. The notable advantage of this type of power controller is that it provides very low power losses and no sparks, reducing the impact on the environment.

The ASSR-302C-302E is designed to be robust and low maintenance, with an integrated LED indicator, solid state switch that features 50v surge immunity and EMI suppression, two-pole contactor with 24vdc input drive voltage, and an insulated case. It is designed for single-phase switching, with a maximum rated switching current of 6A and a maximum operating voltage of 690VAC. It is rated for up to two million electrical operations.

The ASSR-302C-302E is a great example of a modern Solid State Relay that can be used for a variety of applications in a wide range of environments. It offers great performance and reliability, with very low power losses and no sparks, making it an ideal choice for industrial and commercial applications.

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