The BOS 18M-XI-RS30-S4 is a through-beam photoelectric sensor housed in a nickel-plated brass body with a glass sensing surface, rated to IP67 for use in demanding industrial environments. It connects via an M12x1 four-pin male connector and supports IO-Link 1.1 for parameter setting and diagnostic data exchange with a controller. With an M18x1 threaded mounting nut and operating voltage of 18 to 30 VDC, it is suited to panel and machine installations requiring reliable object detection through a beam pair.
Key specifications
| IP Rating | IP67 |
| Compliance/Certifications | cULus CE UKCA WEEE / IEC 60947-5-2 |
| Material: Housing / Grip | Brass / Nickel-plated |
| Material: Sensing Surface / Contacts | Glass |
| Part Length (mm) | 75mm |
| Part Diameter (mm) | 18mm |
| Connection Type | M12x1 / Male / 4-pin |
| Tightening Torque | 15 - 30 Nm |
| Rated Insulation Voltage | 75 VDC |
| Operating Voltage | 18 - 30 VDC |
| Rated Voltage | 24 V |
| Interface | IO-Link 1.1 |
| Mounting Type | Nut M18x1 |