Sirius 3SE5 Safety Switch with Round Plunger Actuator, Metal, NO/2NC. Action Type: Slow. Connection Type: Screw. Size of Cable Entries: M20 x 1.5. CAD Drawing: 3D CAD Model. Dimensions: 56 x 37.8 x 78 mm. Length: 56mm. Depth: 78mm. Mechanical Life Minimum: 15000000 cycles. Mounting Orientation: Universal. MPN: 3SE5122-0KA00, Siemens