History of SE Relays

The SE Relays product range is 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, SE Relays 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 SE Relays Product Range in 2005

Over 50 Years of Innovation...

In addition to growth by selected acquisitions, Schneider Electric supports a commitment to new product development. This stream of new products includes solid state, electromechanical, and hybrid technologies. All new products share the common thread being designed for industrial applications. Therefore, most are either socket or DIN-rail compatible. Indeed, the Company goal is to become THE preferred provider of industrial relays and sockets by offering the broadest family and most feature-rich products available anywhere.