Product Overview

EFEN the Brand


EFEN is an expert for NH Fuse and fuse related Power-Distribution-Components. EFEN Products provide undisturbed power supply from the generator to the end user. They also provide full safety for people and guard the equipment from effects of short circuit and over current.

Consumer and partners of the power industry and telecommunication benefit from the fast reaction of EFEN. This is based on the consolidated set up of research and development, but also production and sales: EFEN, an expert for application-oriented products.

The basis for innovative ideas by EFEN is based on long terms experience in the area of Energy Business - starting at utility companies to transformer stations and distribution cabinets. This all makes EFEN a qualified contact especially in the market area of Telecommunications and Regenerative Energy. The certification of quality and control (environmental management system) in accordance to the DIN ISO 14001 standards is proof of the high quality of EFEN products. This also states the evidence of responsible association with environmental resources.


About Us

NORBERG~IES is the North American agent for EFEN. We stock a wide variety of items in our 30,000 Sq. Ft. facility located in the heartland of America Tulsa, OK. As one of the nation's premier specialty fuse distributors our goal is to provide you access to expert technical support and an extensive inventory of fuses, backed by our guarantee of selling only new factory warranty fuses. With our 24 Hour Service, same day shipments, expert support...why settle for less?


Please select the links below to view Efen fuses 

VDE 0636 T201/IEC 60269-2-1


VDE 0636 T201/IEC 60269-2-1






 NT - Silas







For additional information on Efen Fuses contact us at 918.665.6888, or use our fuse search tab at the top of the page. You can also request a quote on any of the Efen Fuses using our quote form.