| Brand | Siemens |
| Model Code | HB120 |
| Accessories | Electronic hold-up contact |
| Electrical Specifications | Voltage: 9-30 |
| Physical Specifications | Dimensions mm: 65 x 80 x 30 |
| Environmental Specifications | OperatingTemp oC: -25~+55 |
| Model Info | With 2 push buttons and 2 programmable relay outputs. |