The BOS 23K-PA-LH10-S4 is a diffuse photoelectric sensor with background/foreground suppression, designed to detect objects reliably regardless of surface colour or reflectivity, at a rated operating distance of 800 mm that is adjustable to suit the application. It provides PNP normally open and normally closed switching outputs, operates from 12 to 30 VDC, and connects via an M12x1 4-pin male connector for straightforward panel or machine wiring. With an IP6x/IPx9K rating and an ABS/PC housing with a PMMA sensing surface, it is suited to industrial automation environments where washdown or particulate exposure is a factor, and it mounts using a standard M4 screw fixing.
Key specifications
| IP Rating | IP6x / IPx9K |
| Compliance/Certifications | CE Ecolab cULus WEEE / IEC 60947-5-2 |
| Material: Housing / Grip | ABS/ PC |
| Material: Sensing Surface / Contacts | PMMA |
| Connection Type | M12x1 / Male / 4-pin |
| Tightening Torque | 1.5 Nm |
| Rated Operating Distance (mm) | 800mm Adjustable |
| Switching Output | PNP normally closed (NC) PNP normally open (NO) Pins 4-2 |
| Switching Frequency (Hz) | 1000 Hz |
| Rated Insulation Voltage | 75 VDC |
| Operating Voltage | 12 - 30 VDC |
| Rated Voltage | 24 V |
| Mounting Type | Screw M4 |
| Rated Operating Current | 100 mA |