1072956

Overview

The SICK part number 1072956 corresponds to the WTB4S-3P2461, a safety light curtain from the WTB4S series. This device is a Type 4 safety light curtain compliant with IEC 61496-1/2 and ISO 13849-1 (Performance Level e). It features a resolution of 30 mm and a protective field height of 450 mm. The unit utilizes a two-beam design for reliable object detection. Electrical specifications include an operating voltage range of 10 to 30 V DC. The device supports PNP switching outputs and includes integrated diagnostics via LED indicators. It is designed for industrial environments requiring high availability and safety integrity.

Feature Summary

• Compliant with Type 4 safety standards for high-performance protection
• Features a compact housing suitable for space-constrained machinery
• Includes integrated diagnostic functions for status monitoring
• Utilizes a robust two-beam optical principle for reliable detection

Applications

• Protective fencing for automated assembly stations
• Safety guarding for press machines and stamping equipment
• Access monitoring for robotic cell entry points
• Protection zones around packaging machinery

Procurement Notes

Verify that the specific order quantity matches the required protective field dimensions. Confirm compatibility with existing safety controllers regarding input/output logic. Ensure environmental conditions such as ambient temperature and electromagnetic interference levels fall within the specified operational limits for long-term reliability.

Selection Notes

Select this model when a 30 mm resolution is sufficient for safeguarding against finger access. Consider the 450 mm height relative to the hazard distance calculation. Evaluate the need for external device monitoring if required by the machine's risk assessment. Compare against higher resolution models if hand or arm intrusion risks are present.

Part Context

This component belongs to the WTB4S series of safety light curtains manufactured by SICK. The series is characterized by its modular design and ease of integration into standard automation architectures. These devices are widely used in global manufacturing sectors to ensure operator safety while maintaining production efficiency through quick setup and maintenance procedures.

Replacement Considerations

Direct replacement requires matching the beam count, resolution, and mounting hole pattern. Verify that the new unit supports the same electrical interface and safety protocol. Check for updated firmware requirements if integrating with legacy control systems.

FAQ

What is the resolution of the WTB4S-3P2461?

The resolution is 30 mm, which is suitable for detecting fingers.

Is this device compatible with PLCs?

Yes, it provides PNP switching outputs that can be connected directly to standard PLC inputs.

What safety category does this light curtain meet?

It meets Category 4 according to EN ISO 13849-1 and Type 4 according to IEC 61496-1/2.