UL, CSA. CSA C22.2 No. 14, EN 1088, EN/IEC 60204-1, EN/IEC 60947-5-1, UL 508. With the appropriate monitoring system and correct wiring, these switches can achieve safety category 4 according to EN/ISO 13849-1, PL e according to EN/ISO 13849-1, and SIL 3 according to EN/IEC 61508. Safety limit switches Series XCSM. The industrial compact miniature limit switches of the XCSM series from Schneider are designed for monitoring access doors and/or safety devices on machines with low inertia as well as on machines with high inertia when used in combination with actuator-operated safety device switches. When used independently, they are always installed in the "positive mode," but in paired configurations, one switch is installed in "positive mode" and the other switch in "negative mode." Available with switches for linear motion (plunger) or rotary motion (lever). Normally open contacts with forced opening, snap contacts. Compact miniature housing made of red metal, pre-wired, plastic protective cover secured by a 5-sided safety screw with a socket attachment. The head on the rotary motion switch (lever) is adjustable in 15° increments over 360°. Linear motion switches (plunger) are only available with approach to the end. Protection class IP66/67 according to EN/IEC 60529. Complies with ROHS.