Metal safety switch XCSC, 2 NC+1 NO, slow break, 1 entry tapped M20. range of product: Preventa Safety detection – product or component type: safety switch – component name: XCSC – head type: key operated turret head – contacts type and composition: 2 NC + 1 NO – cable outer diameter: 7…13 mm – locking options description: with locking of actuator, unlocking by key operated lock.