This version of Internet Explorer is no longer supported by Microsoft, and some features of our store may no longer be supported by this version of IE.
Please upgrade or use a different browser.
Cookies are not enabled on your browser.
Cookies are required for our site. Please enable cookies in your browser preferences to continue.
Please note: Shipping transit times are not guaranteed by any carriers from December 1st through December 27th, whether shipped by air or ground service. Please visit FedEx Holiday Notice and UPS Holiday Notice for more information.
Self-serve Packing List Reprint feature is now available. Choose MY ACCOUNT, then Packing List Reprint or click here. You will need your Order# and zip/postal code.
Relays have been the traditional building blocks of control since the 1950s. Still in wide use for simple control or power conversion, styles include electro-mechanical general or special purpose relays such as high power or hazardous location styles, as well as solid-state relays.