ZNI – Helios – Overrun Timer
Automatic ventilation in adjustable time intervals (4, 8, 12 or 24 hours) if there was no manual switch-on within the time phase.
When operated manually (excitation, for example via a light switch), the run-on time is between 0 and 21 minutes, continuously adjustable.
For installation in a flush-mounted box behind the switch. 230 V, I min. 0.05 A, I max 0.8 A (ind.).