The SQUARE D HU461 Heavy Duty Safety Switch is a reliable and durable unit designed for commercial applications. With a Type 1 enclosure and a surface mounting style, this switch is suitable for interior use and has a current rating of 16-30 A. It features a Type A plug and a tripping characteristic, making it easy to operate with its on/off control style. Made of metal and with a gray color, this switch from the trusted brand Square D is a crucial component for ensuring safety and functionality in various industrial settings.