At One Click Purchasing, we are your reliable source for the NSN part JJ63B400 manufactured by Siemens Energy And Automation Inc. We carry a wide range of popular NSN items on our website, including Circuit Breaker like part number JJ63B400 which is listed with the NSN 5925012513454 for easy identification. If you are interested in JJ63B400 item, then take the advantage of our online RFQ service, or peruse our website as you see fit to find other items of interest that you may wish to learn more about.