Elta Air Proving Switch 149-AS APK900/004 The Eltadrive range of inverters

The Eltadrive range of inverters have been designed encompassing the latest technology and combining robustness with reliability

or similar from a building management system

● Temperature resistance to +70 deg C

● Pulsing/non-pulsing controlled from panel*1

A back box is also available (CHQ-BACKBOX) which

Elta Air Proving Switch 149-AS APK900/004 The Eltadrive range of invertersAir Proving Switch Used to monitor airflow within a duct and provides a switched output on detection or loss of airflow 220 250VAC 50Hz 16A (6) Contact Min setting: Cut In 2. 5m s, Cut Out 1m s Max Setting: Cut In 9. 2m s, Cut Out 8m s IP65 Protection