Siemens 3Tx71 Wiring Diagram. 11/1 industrial controls catalog sirius relays contents pages. 8/71 ac and dc operation country of origin is subject to. square d 8536sco3s wiring diagram from wiringgallery101.z21.web.core.windows.net 8/71 ac and dc operation country of origin is subject to. Article number (market facing number) 3tx71121lf13 | 3tx71121lf13. Industrial controls catalog discount code: