A400 Series 12mm Push Button Switch

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A400 Series 12mm Push Button Switch is the main recommended 12mm push button switch series for industrial control panels, equipment control systems, machinery interfaces, marine panels, special vehicles, automation equipment, and OEM electrical devices. Compared with basic 12mm push button models, the A400 Series is designed with a better operating feel, wider configuration options, and a more complete structure for professional panel-mounted applications.

This series is available in both momentary and latching, allowing customers to choose between temporary actuation and maintained switching operation according to the control circuit design. The standard rating is 2A 250VAC / 4A 125VAC, with silver contacts for stable electrical performance. Gold-plated contacts can also be customized for low-current signal circuits or applications requiring improved contact reliability.

A400 Series supports both illuminated and non-illuminated versions. The illuminated type uses dot LED indication, with red, green, blue, yellow, and white LED color options. The standard LED voltage is 2.4V, and other operating voltages such as 12V or 24V can be customized by adding suitable resistors. Buttons can also be customized with colors, symbols, or logos, such as a power symbol, making the switch suitable for branded control panels and application-specific user interfaces.

For installation, the A400 Series uses a 12mm mounting hole with M12 × 1 thread, making it suitable for compact panels where space is limited. The series is available with 2.8mm solder lug terminals or wire leads. Standard wire lead versions use AWG18 wires with 160mm length, while wire gauge, wire length, and connector types can be customized according to customer assembly requirements. The standard version provides IP67 front panel sealing, and the wired version can be supplied with a fully sealed structure for applications requiring stronger environmental protection.

With metal housing and PA66 nylon housing options, the A400 Series offers flexible choices for different cost, appearance, and application requirements. It is a practical 12mm push button switch solution for OEM customers who need reliable operation, compact installation, flexible LED options, and customized wiring support.

The A400 Series 12mm push button switches are suitable for compact control panels and equipment interfaces where reliable manual operation, clear status indication, and flexible customization are required. They can be used in industrial machinery, automation equipment, marine control panels, construction equipment, special vehicles, power supply systems, instrumentation, and other OEM control applications. With momentary and latching functions, illuminated and non-illuminated options, IP67 front panel sealing, and customized wiring support, this series is especially suitable for manufacturers who need a compact 12mm push button switch that can be adapted to different panel designs and control circuit requirements.