C574S

Solid State Relays

A solid state relay, or SSR, is a type of relay that utilizes solid-state electronics rather than electromechanical devices to switch a load. Most commonly, the SSR is constituted of a light-sensing input and a solid state output, and usually produced as an optically isolated module or integrated with other semiconductor components. The C574S is a high performance monolithic analog optically isolated phototriac output solid state relay module, designed for general purpose applications.

Application Field

The C574S is ideal for a variety of applications, including the following:

• Lighting control systems
• Temperature control systems
• Multiple lighting control systems
• Industrial Process Control systems
• Power Supply systems
• Medical equipment
• Automotive systems

The C574S is designed to provide accurate, reliable, and robust performance in any electrically and thermally demanding environment.

Working Principle

The C574S utilizes a solid-state electronic switching device, typically a phototriac, to switch a load. The phototriac is a semiconductor switch, which is triggered when a light-sensing input circuit detects a change in light intensity. The output of the phototriac is then amplified to drive a load. This type of switching provides fast switching speeds, with virtually no power loss.

The C574S can operate from any AC or DC power source, and features a wide range of input and output voltage ranges, allowing it to be used in many different applications. The phototriac output can be configured to provide either positive or negative logic output, so it can be used with both AC and DC loads.

The C574S also offers a variety of safety features, such as a resettable fuse to protect against overloads, reverse-polarity protection, and over-voltage protection. This makes it ideal for use in harsh and hazardous environments.

The C574S is available in a variety of package options, including molded, open-frame, and encapsulated packages. It is adaptive to a wide range of ambient temperatures, and can be used in applications from -40°C to +105°C.