| SDB-1500 | SDB-1800 | SDB-2100 | SDB-2500 | |
| Voltage(V) | 220V/50~60Hz | 220V/50~60Hz | 220V/50~60Hz | 220V/50~60Hz |
| Size(MM)(L*W*H) | 1500*810*845 | 1800*810*845 | 2100*810*845 | 2500*1000*845 |
| Capacity(L) | 320L | 390L | 460L | 720L |
| Cooling system | Static cooling | Static cooling | Static cooling | Static cooling |
| Temperature(℃) | ≦-25℃ | ≦-25℃ | ≦-25℃ | ≦-25℃ |
| Basket No. | Coated Wires, 3 | Coated Wires, 4 | Coated Wires, 5 | Coated Wires, 5/6 |
| Thermostat | Mechanical | Mechanical | Mechanical | Mechanical |
| Kind of coolant | R290 | R290 | R290 | R290 |
| Door type&door No. | UV Tempered glass doors,2 | UV Tempered glass doors,2 | UV Tempered glass doors,2 | UV Tempered glass doors,2 |
| Packing size(mm)(L*W*H) | 1540*850*875 | 1840*850*875 | 2140*850*875 | 2540*1040*875 |
| 40HQ laoding quantity | 63 | 42 | 42 | 27 |