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L28S-3D2431

The SICK L28S-3D2431 is a Type 3 ESPE (Electro-Sensitive Protective Equipment) safety light curtain from the deTec3 Core series. It is designed to create a vertical array of infrared light beams to safeguard dangerous machinery.

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Parameter Category Specification Details
Product Family deTec3 Core Safety Light Curtains
Type Type 3 (according to IEC 61496-1/2)
Safety Integrity Level (SIL) SIL 2 (according to IEC 61508)
Performance Level (PL) PL d (according to ISO 13849-1)
Function Single-Beam (Used as a Safety Trip Device or "3-position mode switch")
Protective Height 310 mm (This is the effective height of the protective field)
Resolution (Beam Spacing) 30 mm
Number of Beams 11 beams
Operating Range (Scanning Distance) 0.5 to 3 meters (Between transmitter and receiver)
Response Time ≤ 15 ms
Output Devices 2 x OSSD (Output Signal Switching Device) outputs. PNP, 2A max (for each channel). These are the safety-related outputs.
Muting Output 1 x PNP output (non-safe, for muting application control)
Control Inputs Muting, Blanking, Reset
Power Supply 24 V DC (18 - 30 V DC)
Current Consumption Typically 150 mA
Connection Type M12 8-pin circular connector (for power, OSSDs, control inputs)
Housing Material Extruded aluminum profile with polycarbonate end caps
Protection Rating IP65 (Dust-tight and protected against water jets from any direction)
Approvals / Certifications CE, UKCA, cULus Listed for Machinery Safety (UL508)
Operating Temperature -10 °C to +50 °C
Dimensions (H x W x D) 310 x 52.5 x 42 mm (Protective height x Width x Depth)