Telemecanique Sensors XCSTE7311 Key Safety Limit Switch

Product Description

The TELEMECANIQUE SENSORS XCSTE7311 is a key-operated safety limit switch with a 2NC (two normally closed) contact configuration, designed for machine guarding and safety interlock applications. Built to an IP67 ingress protection rating, it resists dust intrusion and temporary immersion, making it reliable in washdown or wet industrial environments. The plastic key actuator mechanism engages when a guard or door is closed, signaling the control system to allow or interrupt machine operation. Licensed electricians and industrial maintenance technicians install this switch as part of machine safety circuits on automated equipment, production lines, and guarded machinery.

This switch is suited for residential and commercial industrial machine safety applications where guard door monitoring is required. It is commonly installed on hinged or sliding machine guards, enclosure doors, and access panels in manufacturing and automation environments. The 2NC contact configuration supports redundant safety monitoring loops. The switch meets multiple international standards including EN 1088/ISO 14119, EN/IEC 60204-1, and UL 508, making it appropriate for use in both North American and international machine safety designs.

Key Features

• 2NC contact configuration supports redundant safety interlock wiring
• IP67 ingress protection rating — dust-tight and protected against temporary immersion
• Key actuator type for positive-mode operation on guard doors and access panels
• Meets UL 508, CSA C22.2 No. 14, EN 1088/ISO 14119, EN/IEC 60947-5-1, and RoHS requirements
• Rated for both AC-15 and DC-13 utilization categories
• Compact plastic housing suitable for space-constrained guard mounting applications

Compatibility

Designed as an OEM-style replacement or direct installation safety limit switch for key-operated machine guarding interlock circuits requiring a 2NC contact configuration and IP67 environmental protection.

Installation Notes

Installation should be performed by a qualified electrician or licensed industrial maintenance technician in accordance with NEC requirements and applicable machine safety standards such as EN/IEC 60204-1. De-energize and lock out all power sources to the machine before mounting or wiring the switch. Ensure the key actuator aligns correctly with the guard door or panel to achieve positive actuation on closure. Verify contact configuration and wiring against the machine safety circuit diagram before restoring power.