| Key information |  | 
| Product family | Harmony XB2 | 
| Product type | Empty button box | 
| Short name of the product | XALB | 
| Product application scenarios | For XA2E and XB2B Ø 22 mm control and signalling units | 
| Number of openings | 1 Opening | 
| Cabinet base color | Dark gray | 
| Cover color | Yellow | 
| material | PC | 
| IP protection rating | “IP65” compliant with screwed | 
| Supplemental Information |  | 
| Cable entry holes | 2.0 knock-out hole Diameter: 20 mm in… On Side | 
| The total CAD width | 68 mm | 
| The total CAD height | 68 mm | 
| Total CAD depth | 51 mm | 
| Product weight | 0.09 kg | 
| environment |  | 
| Storage ambient temperature | -40… 70 °C | 
| Operating temperature | -25… 70 °C | 
| Level of protection against electric shock | Class II complies with IEC 60536 | 
|  | GB/T 14048.1 | 
|  | EN/IEC 60947-1 | 
|  | EN/IEC 60947-5-4 | 
| Number of Units in Package 1 | 1 | 
| Package 1 Width | 7.173 cm | 
| Package 1 Weight | 101.0 g | 
| Number of Units in Package 2 | 30 | 
| Package 2 Width | 30.0 cm | 
| Package 2 Length | 40.0 cm | 
| Package 2 Weight | 3.51 kg | 
| Unit Type of Package 3 | PAL | 
| Number of Units in Package 3 | 600 | 
| Package 3 Height | 60.0 cm | 
| Package 3 Width | 80.0 cm | 
| Package 3 Length | 90.0 cm | 
| Package 3 Weight | 72.95 kg | 
| Contract warranty |  | 
| Warranty | 18 months |