THC-B astronomical timers are used for automatic switching according to programmed time settings. The series includes THC-B current versions and 2C versions for applications that require scheduled load control over a 1 minute to 168 hour time range.
Series Range
| Model group | Available versions | Program capacity |
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| THC-B | THC-15B, THC-20B, THC-25B, THC-30B | 8 ON + 8 OFF |
| THC-B-2C | THC-15B-2C, THC-20B-2C, THC-25B-2C, THC-30A-2C | 8 ON + 8 OFF |
Technical Characteristics
| Operating voltage | AC220-240V, 50/60Hz |
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| Power consumption | 4.5VA or 4VA max., depending on version |
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| Operating temperature | -10°C to +50°C |
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| Accuracy | ≤1s/day at 25°C |
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| Minimum switching time | 1 minute |
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| Time setting range | 1 minute to 168 hours |
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| Mechanical life | 10^5 operations at rated load for listed 2C versions |
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Model Notes
- The 16A, 20A, 25A and 30A versions indicate different load current ratings.
- Base THC-B models and THC-B-2C models are listed separately so the required version can be selected by model number.
