Three Position Key Switch

three position key switch is a type of plastic electrical switch with three positions and operated with a key, it is designed for low cost and high quality. It is activated by the special key, that ensures the authorized users can operate the device or system. The installation dimension is 16mm, that is suitable for the widely application. With the special structure, the electrical life is up to 100,000cycles. It use silver alloy contact and brass pins to improve the current capacity to 5A, that can be used to control power or signal.And it has got the CE\CCC certification. Yijia electric is the easy-maintainable three position key switch factory, and ship from factory directly.

Features & Benefits

● 16mm mounting hole size

● engineering plastic

● Brass pins

● 5A current capacity

● 1NO1NC/2NO2NC contact structure

● High-quality silver alloy contact

● Lower contact resistance≤50mΩ

● 500,000 cycles long mechanical life

● 100,000 cycles long electrical life

● CCC,TUV,CE

● RoHS

● Support to button switch OEM/ODM

● Offer push button switch price list

How to select the appropriate type of metal push button

Please answer the following question, and send it to us, we will select the appropriate type for you.

Question&Example

①　the dimensions of push button to install: 16mm.

②　the load current you need to control: 5A.

③　the type of head part: plat head without light.

④　choose the contact structure: 1NO1NC/2NO2NC

⑤　Operation mode: Momentary or Latching.

⑥　LED volt and color(if need led): DC 24V GREEN.

⑦　choose the materials of shell: Stainless steel or Brass clad chromium.

⑧　special request: waterproof, Custom symbol, need socket...