The Struthers-Dunn RSX1487 Relay Set is a 12 VDC coil relay assembly from Struthers-Dunn, a long‑established manufacturer of industrial relays. Listed by sellers as New Old Stock (NOS), the RSX1487 is associated with Struthers-Dunn's RSX family of custom packaged controls used in industrial panels. This RSX1487 is typically employed as a replacement relay set in legacy equipment that originally used Struthers-Dunn RSX relays.
