Profile: Barantec, Inc. develops & manufactures piezo ceramic push buttons, keypads, panels and keyboards. We are ISO 9001:2000 certified. Our products utilize the patented Everswitch technology. The SBR1 piezo electric push button switches have a mounting diameter of 22 mm, voltage rating of 1-24V AC/DC, and switching current of 0.125A/ 0.2A/0.5A. They are made of aluminum or stainless steel, and have an operating temperature of -40°C to 70°C. The KBA 11 piezo electric keypads are made of aluminum or stainless steel, and have a voltage rating of 1-24V AC/DC. They have an operating temperature of -40°C to 125°C .