The MH21-11S-300W Reed Sensor, manufactured by Standex Meder and available at Supreme Components International, an authorised distributor, is a high-quality SPST-NO (Single Pole Single Throw - Normally Open) switch designed for a wide range of applications. This reed sensor features convenient cable leads for easy integration into your circuits. With a voltage rating of 300VDC and a current rating of 0.5A, it provides reliable switching performance. Its compact size and robust construction make it suitable for use in harsh environments. Applications include proximity sensing, security systems, and industrial automation. Choose Supreme Components International for genuine Standex Meder components and expert support.