27 mm, flat
SBR44 is a touch metal piezo switch with backlight illuminated ring. The product was developed to operate for as long as possible. The ultra-durable SBR44 has no moving mechanical elements and offers protection from water and dust. Additionally, this ring illuminated switch can be fully customized, making this touch metal piezo product ideal for use in various applications such as transport, oil and gas, food processing, and more.