Switchcraft is a leading supplier of a broad line of components for the audio, video, telecommunication, computer, medical, military, appliance, transportation and instrumentation industries. With a basic line of over 5,000 standard products and thousands of variations, Switchcraft markets products both domestically and internationally.
The 1820-50-A3 is a signal and dataline protector that provides both line-to-ground and line-to-line protection for differential signals and current loops.