440L-P4J1760YD

Overview of Allen Bradley 440L-P4J1760YD

The Allen Bradley 440L-P4J1760YD is a Guardmaster GuardShield safety light curtain engineered for machine safeguarding applications. This model delivers reliable point-of-operation protection and access detection by automatically shutting down hazardous machinery when its infrared sensing field is interrupted. Featuring 176 beams and a fine 14mm resolution, it is optimized for finger and hand safety in high-risk industrial environments. Its protected height of 1760mm and advanced electronic design allow for secure coverage across a wide area, preventing accidental injury and complying with globally recognized safety standards such as IEC 61496-1 Type 4 and EN ISO 13849. Ideal for progressive manufacturers needing flexible, compliant safety solutions, the GuardShield series helps ensure personnel protection without sacrificing equipment accessibility.

Key Features of Allen Bradley 440L-P4J1760YD

• Type 4 ESPE safety light curtain suitable for Category 4/PLe/SIL CL3 safety applications
• 14mm detection resolution with 176 beams for precise finger and hand protection
• Protected height of 1760mm, scanning range from 0.3 to 7 meters
• No integrated laser alignment (standard model)
• Response time: 25 ms typical, with safety coding option available
• Cascading capability for expanded machine perimeter coverage
• Durable design for demanding environments, supporting easy installation and configuration

Technical Specs of 440L-P4J1760YD

• Resolution: 14mm
• Number of beams: 176
• Protected height: 1760mm (69.3 in)
• Scanning range: 0.3–7m (0.98–22.9 ft)
• Response time: 25 ms (uncoded), 35 ms (coded)
• Conforms to IEC 61496-1/-2 (Type 4), EN ISO 13849 (up to PLe)
• Sender & receiver configuration

Applications / Use Case

The Allen Bradley 440L-P4J1760YD excels in safeguarding points of operation on industrial machinery, such as presses, cutting systems, and automated assembly lines. Common deployments include finger and hand protection for high-speed equipment, hazardous area isolation in robotics, and secure access prevention around moving parts. Its wide 1760mm active height ensures users remain shielded without reliance on complex mechanical guards, and its fast response supports high-throughput operations. The device can be cascaded to cover larger machine perimeters or configured for flexible positioning, meeting safety compliance requirements across automotive, packaging, electronics, and general manufacturing sectors. With compatibility for multi-segment systems and adherence to leading safety protocols, the 440L-P4J1760YD is a trusted solution for both retrofit and new installations demanding reliable personnel protection.

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