Allen-Bradley 440T-MRKSE11ED Prosafe Rotary Cam Switch, 3-Phase 20A 600VAC

The Allen-Bradley 440T-MRKSE11ED Prosafe is a rotary cam switch designed for safety interlock applications in industrial environments. It is part of the Guardmaster series and provides a reliable mechanical key-based interlocking system for safe access to hazardous areas. Model: 440T-MRKSE11ED Manufacturer: Allen-Bradley (Rockwell Automation) Series: Prosafe Guardmaster Type: Rotary Cam Switch Function: Safety interlock with rotary action Key Type: MRK – Rotary key operation Contacts: 2 N.C. safety + 2 N.O. auxiliary contact configuration Switching Action: Maintained (key removal rotates cam and actuates contacts) Mounting: Panel or enclosure mount Material: Durable industrial-grade housing, typically metal alloy Ingress Protection: IP67 rated Electrical Rating: 6 A @ 230 VAC / 2.5 A @ 24 VDC (resistive load, typical) Wiring Termination: Screw terminal or quick-connect (varies by version) Standards: EN ISO 14119, IEC 60947-5-1, UL, CSA compliant Application: Machine guarding, robotic cells, hazardous area access control Please review pictures carefully and let us know if you have any questions!