Founded in 1951 by Herbert Steinback in Chicago, IL, Magnecraft began developing relays for industrial applications Today, Magnecraft is proud to be recognized as the most innovative and quality-conscious name in the indu......Founded in 1951 by Herbert Steinback in Chicago, IL, Magnecraft began developing relays for industrial applications Today, Magnecraft is proud to be recognized as the most innovative and quality-conscious name in the industry. We stay ahead by creating the most feature-rich, highest-rated and cost-effective relays, sockets and accessories available. Since 1951, Magnecraft has acquired many valuable relay lines including…Electro-Seal Division of C.P. Clare in 1972 Hart-Advance Relay Division of Oak Industries in 1974 Omega Electric Company in 1977 Relay Division of Sigma Instruments in 1986 Commercial Relay Division of Struthers-Dunn in 1990 Milspec Relay Division of Struthers-Dunn in 1995 Solid State Relay Division of Grayhill, Inc. 1999 Hermetic Relay Lines from Tyco Electronics in 2003 Schneider Electric Acquires Magnecraft Product Range in 2005