ETT-Series
ETT extra time timers are designed for energy saving and boosting functions in ventilation and lighting applications. The timer functions can be used for example in office applications, if enhanced ventilation is needed outside the normal working hours. With the timer, you can also limit, for example, supply voltage for certain devices (e.g. coffee machines). The maximum time can be limited by DIP switches.
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The user activates the timer by pushing the button. Each push increases the timer time by one step. For the ETT1 models, one step is 10 minutes (up to 60 minutes: 10 / 20 / 30 / 40 / 50 / 60 minutes). The selected time is indicated by a green indicator light above the button.
| Power supply | 24 Vac/dc (22...26 V) or 230 Vac (207...253 V) |
|---|---|
| Relay output | 250 Vac, 10 A |
| Relay output type | Changeover |
| Timer accuracy | ±10 s/h |
| IP protection class | IP20 |
| Ambient temperature | 0...50 °C |
| Ambient humidity | 5...95 %rH |
| Product dimensions (w x h x d) | 97 × 97 × 27 mm |
| Mounting | on the wall surface or on a flush mounting box (60 mm hole distance) |
| Materials | PC plastic |
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