ASSR-1511-501E Relays

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Solid State Relays (SSR) are becoming increasingly popular in industrial applications, providing a high level of accuracy and reliability. The ASSR-1511-501E is a three-phase SSR designed to switch AC and DC loads in industrial applications. In this article, we will take a look at the ASSR-1511-501E application field and working principle.

The ASSR-1511-501E is a three-phase solid state relay with an AC/DC load switching capability up to 600V and 15A. It is ideal for use in applications such as motor drive systems, controlling induction heater circuits and welding applications. This relay has a compact design, a high dielectric rating, and is available with either positive or negative logic input and output. It is also protected against surge and short circuits, making it a safe and reliable solution. The ASSR-1511-501E can be powered either directly from the AC line or an external DC power supply.

The working principle of the ASSR-1511-501E is based on a triac, a three-terminal semiconductor component. When power is supplied to the relay, the input voltage causes the triac to switch the output current between the two AC lines. This switching action is controlled by the input voltage, which provides the control signal to the triac. When the input voltage is at its minimum level, the triac is completely off; when the input voltage is increased, the triac turns on and current begins to flow through the load. The triac continues to be on until the input voltage is reduced to its minimum level. The output current in the ASSR-1511-501E is typically controlled by a potentiometer.

The ASSR-1511-501E is a reliable and efficient way to switch AC and DC loads in a wide range of industrial applications. The triac-based design ensures fast switching times, high accuracy, and excellent surge and short circuit protection. With its compact size, high dielectric rating, and positive or negative logic input and output, this rugged SSR is an ideal choice for use in various industrial applications.

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