Thank you for having an interest in our availability for part number B40K250, a Varistor Block 250Vrms 40Mm 390V 40Ka 1 250Vac 320Vdc 490J Chassis Mount . item we feature that is manufactured by Epcos Inc. In order to receive pricing information on this particular Circuit Protection listing, please fill out and submit the Request for Quote (RFQ) form that is provided below. As the form is partially completed for you with details concerning this board-level electronic component, simply offer us information like your target price, desired quantity, and when you need parts by. Once you submit a request and our team receives and reviews it, you will be contacted by a dedicated account manager in 15 minutes or less to continue the procurement process.