Universal stair switch from the W.1 series, from the manufacturer Berker. The product part number is 30763505.
Berker W.1 is a series of waterproof electrical installation accessories that stands out innovative look. The stair switch are characterized by the features of this unique series.
| A kind of package | Karton | Pakiet | Paleta |
| Quantity | 10 pcs. | 60 pcs. | 2400 pcs. |
| Weight (kg) | 1,295 | 8,150 | 349,000 |
| Width (m) | 0,160 | 0,360 | 0,800 |
| Length (m) | 0,090 | 0,170 | 1,840 |
| Depth (m) | 0,330 | 0,560 | 1,200 |