A rotary switch with 2 pins is a simple type of switch commonly used for basic on/off control in various applications, including shrink tunnel machines. Here’s a description tailored to a 2-pin rotary switch for a shrink tunnel machine:

1. Basic Functionality: The 2-pin rotary switch serves as a simple on/off control mechanism for the shrink tunnel machine. It allows the operator to manually turn the machine on or off by rotating the switch to the desired position.
2. Rotary Design: Unlike toggle switches that use a lever or toggle mechanism, rotary switches feature a rotating dial or knob that can be turned to different positions to change the electrical state or function of the switch. In this case, the switch would have two positions: one for “on” and one for “off.”
3. Number of Pins: The 2-pin configuration indicates that the switch has only two terminals for electrical connections. One pin serves as the common terminal, while the other pin is the contact terminal that connects to the common terminal when the switch is turned to the “on” position.
4. Mounting: The 2-pin rotary switch is typically designed for panel mounting, with a threaded bushing or mounting nut for secure installation on the control panel or enclosure of the shrink tunnel machine. This ensures stability and reliability during operation.
5. Durability and Construction: Constructed from durable materials such as metal or high-grade plastics, the 2-pin rotary switch offers reliability and resistance to mechanical wear, environmental factors, and electrical stress. It is designed to withstand the rigors of industrial use.
6. Application: Suitable for shrink tunnel machines and other equipment requiring basic on/off control, the 2-pin rotary switch provides operators with a straightforward interface for powering the machine. It is commonly used in applications where simple manual control is sufficient.
7. Versatility: While the 2-pin rotary switch provides basic on/off control, it may offer versatility in terms of knob design, shaft length, or mounting options to accommodate different installation requirements and user preferences.

Overall, the 2-pin rotary switch offers a simple yet effective solution for controlling the power supply to shrink tunnel machines, providing operators with a convenient and reliable means of turning the machine on or off as needed.