1 - 4 channel annual timer, series installation housing, width 52.5 mm (for 1+2 channels), 72 mm (for 4 channels), annual and astro program, text-oriented user guidance in the display, 800 memory locations, interface for OBELISK top2 memory card (PC programming), 6 year power reserve (lithium battery), automatic summer/winter time changeover, ON-OFF switching times, pulse program, cycle program, extensive annual clock functions, astronomical switching function (automatic calculation of sunrise and sunset times for the whole year), astro offset, astro impulse, switching preselection, permanent switching ON/OFF, expiration timer, integrated operating hours counter, external button/switch input, holiday program, 2 random programs, display lighting (can be switched off), PIN coding, zero-crossing switching, DuoFix spring terminals for 2 conductors each, Changeover contact 16A/250V~, transparent cover sealable, with RC versions time synchronization by connecting an external DCF or GPS antenna, with GPS additional position determination for astro program possible, 2 x 16 A, 2 x 10 A
| Property | Value |
| Width in division units: | 4 |
| Number of channels: | 4 |
| Protection class (IP): | IP20 |
| Supply voltage: | 110 to 240 V |
| Power reserve in years: | 8 |
| Weekly program: | yes |
| Annual program: | yes |
| Mounting type: | DIN rail |
| Type of supply voltage: | AC |
| Frequency of supply voltage: | 50 to 60 Hz |
| Accuracy per day: | 0.5 s |
| Text guidance in the display: | yes |
| 24 h program: | yes |
| 60 min program: | yes |
| Automatic summer/winter time change: | yes |
| Shortest switching time channel 1: | 0.016 min |
| Holiday program: | yes |
| Pulse program: | yes |
| Cycle program: | yes |
| Astro program: | yes |
| External Button input: | yes |
| Random program: | yes |
| Operating hours counter: | yes |
| Mains synchronous: | no |
| Quartz controlled: | yes |
| Radio controlled: | no |
| Shortest switching time channel 2: | 0.016 min |
| Manual operation: | yes |
| Number of Memory locations: | 800 |
| Circuit preselection: | yes |
| Rated switching current at 250 V AC: | 16 A |
| Potential-free switching contact: | yes |
| Width: | 72 mm |
| Height: | 86 mm |
| Depth: | 60 mm |
| External programming: | yes |
| Radio controlled (DCF77): | no |
| GPS: | no |
| With memory card: | no |
