22mm push button switch, using a 'small interface' to leverage a 'big pattern' in industrial control

On the battlefield of industrial equipment control panels, where space is measured in square inches, a component with a diameter of just 22 millimeters plays the most critical role in human-machine interaction. Recently, Yueqing Tongda Cable Factory, focusing on its core product series of 22mm Push Button, has once again demonstrated its deep R&D strength and market insight in the industrial control interface sector.

This 22mm push button is far from an ordinary "switch." It features a high-strength zinc alloy die-cast housing with a precision sandblasted, electroplated, or anodized surface, offering excellent corrosion resistance and wear durability. It reliably withstands oil, impact, and high-frequency operation common in industrial settings. Its core modular design philosophy is key to its market success.

"The button, as we see it, is not just a circuit breaker but a reliable communication link between the equipment and the operator," explained a product manager at Tongda. "Our 22mm platform offers almost limitless possibilities." Customers can freely select the button head color (red, yellow, green, blue, etc.), material (metal, illuminated plastic), legend (laser engraved, custom icon), and most importantly—the operational function: such as normally open/closed, maintained/momentary, emergency stop function, or even integrated LED indicators for status visualization.

This high degree of customization allows Tongda's 22mm push buttons to be seamlessly integrated into various equipment, from heavy-duty CNC machines and automated production lines to smart power distribution cabinets and packaging machinery. An automation equipment integrator from Suzhou commented, "A single production line might require hundreds of buttons. Tongda's products are not only stable in quality, but more importantly, their flexible configuration solutions allow us to quickly 'customize' control panels for different functions, significantly shortening our R&D cycle."

Beyond robustness and flexibility, safety and usability are also prioritized in the design. The products comply with international electrical standards, feature universal quick-connect or screw terminal installation, and offer a protection rating of up to IP67, ensuring stable operation even in harsh environments and preventing the risk of accidental operation.

Facing new demands for equipment intelligence under Industry 4.0, Yueqing Tongda Cable Factory is committed to further integrating traditional buttons with sensing technology, developing smart buttons with network signal feedback. This aims to transform the classic 22mm circular interface into a touchpoint connecting to the digital factory.