The BOD 21M-LBI05-S4 is a photoelectric distance sensor from Balluff's Field Sensing & Connectivity range, designed for measuring distance in industrial automation applications. It features an IP67-rated housing constructed from aluminium, glass, PMMA and zinc die casting, making it suitable for demanding panel and machine environments. The sensor connects via an M12x1 4-pin male connector and supports IO-Link 1.1 communication, operating on 15-30 VDC with a switching frequency of 250 Hz in SIO mode. It carries CE, UKCA and cULus compliance in accordance with IEC 60947-5-2 and IEC 60947-5-7.
Key specifications
| IP Rating | IP67 |
| Compliance/Certifications | CE UKCA cULus IO-Link WEEE / IEC 60947-5-2, IEC 60947-5-7 |
| Material: Housing / Grip | Aluminium / Glass / PMMA / Zinc die casting |
| Material: Sensing Surface / Contacts | Glass |
| Part Depth (mm) | 51mm |
| Part Width (mm) | 15mm |
| Part Height (mm) | 42.5mm |
| Connection Type | M12x1 / Male / 4-pin |
| IO-Link Type | IO-Link 1.1 |
| Switching Frequency (Hz) | 250 Hz (SIO mode) |
| Rated Insulation Voltage | 250 VAC |
| Operating Voltage | 15 - 30 VDC |
| Rated Voltage | 24 V |
| Rated Operating Current | 100 mA |