Existing Lesman and A-Tech customers, log in using your company email to see your qualified prices. Need help?
Functional Devices
Known for its RIB (Relay in a Box) brand products, Functional Devices offers a wide range of reliable devices from relays to power monitoring designed to elevate efficiency and control in commercial and industrial settings for a smarter, more connected future. Lesman and A-Tech customers can buy Functional Devices (RIB) products through our relationship with Kele Inc, our parent company.
