Schneider Electric EIK031 Interlock Safety Switch

Schneider Electric’s Square D EIK031 interlock safety switch kit is a SPDT interlock accessory that provides one normally open and one normally closed contact (1 x NO, 1 x NC) to add interlock functionality to compatible safety switches. Designed for Series F general‑duty fusible safety switches (60 A) or the heavy‑duty F5/F6 line, it enables safe operation by signaling when the enclosure is accessed and by interlocking auxiliary control circuits. This interlock kit is intended to be used with compatible Square D safety switches to enhance lockout/tagout schemes and prevent energization during maintenance, making it a practical option for industrial machinery safety where interlocking of the switch mechanism and control logic is required. The combination of the EIK031’s 1NO/1NC arrangement and its compatibility with both general‑duty and heavy‑duty safety switches helps ensure reliable integration into safety control architectures across a range of industrial applications.