Start the engines, turn on the lights and flip on the fan with quality switches. Calterm switches are available in many different styles and sizes. They are used in countless applications, from basic momentary contact toggle positions of On-Off, to multi-function applications which allow maintained contact and variable speed options. Most of our electrical switches are suitable for marine, industrial or automotive applications. They are available in a variety of characteristics including actuator type, handle shape, body construction and size, terminal type, voltage rating, sealing properties and illumination. Calterm switches are leading the industry in quality and durability. For applications where the switch is On (Momentary On) only when the button is depressed. Color: Black. Material: Resin.