| Electrical |
| Contact rating |
3 (1) Amps 230V AC |
| Contact type |
Voltage-free (S17 only) with optional mains switched supply |
| Supply |
230V AC 50Hz only |
| Environmental |
| Pollution degree |
Degree 2 |
| Mechanical |
|
| Dimensions |
84 x 150 x 29mm |
| Case material |
Thermoplastic flame retardant |
| Features |
| Class a software |
Type 1 Control |
| Operating temperature range |
0°C to +40°C |
| Battery life |
Minimum 10 months continuous operation |
| Display |
Back-lit liquid crystal |
| Clock |
12-hour am/pm |
| Displayed time adjustments |
1-minute steps |
| Switched time adjustments |
10-minute steps |
| Operating periods Per-day |
3 per-day per channel. Separate programmes possible for each day of the week |
| Overrides |
1-hour boost (HW only), one-hour extension to On period (HW only) & instant advance (CH only) |
| Mounting |
6 terminal plug wall plate |