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D4B-4111N Safety Limit Switch | Positive-Opening Contacts | IP67 | Industrial Automation

SKU: D4B-4111N

Omron D4B-4111N safety limit switch with positive-opening contacts for reliable emergency stop and safety interlock applications. Features IP67 protection, roller lever actuator, and robust metal housing for industrial automation systems.

Key Features

  • Positive-opening contacts for safety-rated emergency stop and interlock applications
  • IP67 protection for reliable operation in dusty and wet industrial environments
  • Robust metal housing and roller lever actuator for long mechanical life
  • Compliant with international safety standards (e.g., ISO 13849-1)
  • High electrical rating suitable for direct switching of safety control circuits

High-Reliability Safety Limit Switch for Machine Guarding and Emergency Stop Systems

The Omron D4B-4111N Safety Limit Switch is engineered for critical safety applications in industrial automation, providing dependable positive-opening contacts for emergency stop circuits, safety gates, and machine guarding. This robust limit switch features a metal housing and a roller lever actuator designed for precise operation and long mechanical life. With IP67 protection against dust and water ingress, the D4B-4111N performs reliably in harsh industrial environments. The positive-opening mechanism ensures a guaranteed physical separation of contacts for safety integrity, making it compliant with international safety standards for Category 2, 3, and 4 safety circuits. Its compact design, high electrical rating, and versatile mounting options make it an essential component for enhancing workplace safety in manufacturing, packaging, and material handling systems.

Technical Specifications

Product Type Safety Limit Switch
Actuator Type Roller Lever
Contact Configuration Positive-Opening (1NO/1NC typical)
Protection Rating IP67
Housing Material Metal
Electrical Rating Refer to datasheet for specific voltage/current ratings
Safety Standards Suitable for Cat. 2, 3, 4 safety circuits
Mechanical Life High (typically millions of operations)
Operating Temperature Standard industrial range (e.g., -25°C to 70°C)