Onlinecomponents.com offers a selection of more than 67 376 Circuit protection from over 143 world-class suppliers. We offer Circuit protection from suppliers such as Phoenix Contact, Eaton Switzerland , Sensata / Crydom, CTS Corporation, Maida/Songtian and many more. Please see all subcategories of Electrical distribution & protection, Esd protection diodes, Overcurrent protection, Surge protection modules, Thyristors below.