The Guardian Electric Model 22 DC frame solenoid is a versatile device used in industrial automation, fluid control, and other applications requiring reliable on/off operation. It's designed for both AC and DC applications and features a durable construction with a plastic cover and Class A insulation. The solenoid offers a 1 million cycle life expectancy and can be customized for specific voltage and duty cycle requirements. Available with optional return spring kits, the Model 22 provides a dependable solution for a wide range of industrial needs.