Siemens 3SE3120-1VW-Z Limit Switch

Siemens 3SE3120-1VW-Z is a metal-enclosed limit switch from the 3SE3 family, designed for industrial position sensing and machine safety interlocks, with a compact form suitable for mounting in control panels and on equipment where space is at a premium. It uses snap-action contacts in a 1NO+1NC configuration, enabling reliable signaling and interlocking for conveyors, presses, and automated lines. Electrical ratings for the 3SE3120-1 series include up to 500 V and 10 A for appropriate loads, with 230 V configurations rated up to 6 A, aligning with common European control circuit requirements. The -Z suffix variant is associated with VDE 0660 specifications, reflecting Siemens' compliance for safety-related position switches. Typical applications include machine safety interlocks and end-of-travel sensing on conveyors, presses, and packaging or material-handling equipment where robust, field-installable switching is required.