American Zettler, Inc. offers a broad product range of electromechanical relays to meet many specific requirements of diverse commercial and industrial applications. Because of their high reliability, American Zettler relays are used in a wide range of industries including: HVAC/R, Lighting, Metering, Automotive, Telecommunication /Security systems, Solar, Home Appliances, Test and Measurement devices, Industrial Controls, and many other types of electrical and electronic equipment.