Sirius 3SE5 Safety Switch with Roller Plunger Actuator, NC/NO. Actuator Included: Yes. Action Type: Snap. Connection Type: Cable. Number of Contacts: 2. Size of Cable Entries: 5 x 0.75 mm². Pole and Throw Configuration: DPST. CAD Drawing: 3D CAD Model. Dimensions: 50 x 40 x 16 mm. Length: 50mm. Depth: 16mm. Mechanical Life Minimum: 30000000 cycles. MPN: 3SE5423-0CD21-1EA2, Siemens