The MB151 is a snap-acting push button switch manufactured by DC Components. The switch is available in a range of styles, such as a momentary contact, latching contact, or a long foot switch, and is available in multiple contact ratings. It is distinguished by its small size and its robust design, which makes it ideal for harsh environments. The switch can be used in a range of applications, such as remote control systems, audio visual equipment, lighting control and industrial automation.