DIN is an acronym for Deutsches Institut fur Normung, which translates into English as ‘German Institute for Standardization’. Din rails are long metal strips that are used to mount and securely attach electrical and industrial control products. Explore our wide range din rail modular devices such as enclosures, miniature circuit breakers - MCB, residual current devices – RCD, surge protection devices – SPD, arc fault detection devices – AFDD, as well as smart solutions of auxiliaries, contactors, relays, meters and communication interfaces. From the primary to the most advanced protection needs, the din rail device 9 series of Schneider Electric offer the final level of compliance, performance, and reliability. These Acti 9 products comes with various specifications and different ranges.