Catalogs > Safety Products Catalog > Safety Switches > Interlock Switches > Non-Contact Switches > Sipha Sensors
Sipha Sensors
| Introduction | Specifications | Product Selection | Accessories | Approximate Dimensions—mm (inches) | Typical Wiring Diagrams |
| Description | S11, S21 | S42, S12, S22 | S43, S13, S23 | |
| 1 N.O. + 1 N.C. | 2 N.C. + 1 N.O. | 1 N.C. + 2 N.O. | ||
| Cable Versions | Red | Safety A_N.C. | Safety A_N.C. | Safety A_N.C. |
| Blue | ||||
| Yellow | Safety B_N.O. | Safety B_N.O. | Safety B_N.O. | |
| Green | ||||
| Black | — | Aux A_N.C. | Aux A_N.O. | |
| White | ||||
| Green/Yellow | — | External Ground | External Ground | |
