Distributor

National Control Devices

Operates as the direct-sale online store of National Control Devices (NCD), a US manufacturer of relay control systems, IoT sensors, and industrial automation hardware that has been producing ISO9001:2015-certified, Made-in-USA products for nearly three decades. Sells NCD's own product line—relay controllers, wireless sensors, and rapid-prototyping IoT hardware—chiefly to customers in North America, alongside authorized resellers such as Digi-Key, RobotShop, and RelayPros.