| Product specification | |
| Series of products | BB12-D22S-AL-□ |
| I/O ports | Port:M12(A-code)4 pins |
| Parameter | |
| Types of Buttons | Single-hole indicator light |
| Button size | φ22 |
| Shell size (mm) | 92.00L×81.10W×62.70H |
| Button color | Red (R), Green (G), White (W) |
| Operating voltage | DC24V |