![Belimo 01APS-501 Differential pressure switch, 0.80...4.00 inch WC [200...1000 Pa],](https://hsgroupexport.com/wp-content/uploads/2025/08/PIC_AM_01APS-5._01_4C-product_retina-300x300.jpg)
Siemens QXA2100 Condensation Sensor,
The QXA Series Condensation Sensors use to avoid
damage due to condensation on chilled ceilings and in
HVAC installations.
On humidity rise, the SPDT contacts switch at
approximately 95% RH (+/-4% RH). All feature a fixed
switching differential of approximately 5% RH.
All operate on AC/DC 24V and have a NO/NC changeover
dry contact relay output.
● 1 Amp @ 24 Vac
● 0.5 Amp @ 24 Vdc
Features
● Come complete with a strap-on band for pipe diameters
from 0.5 to 4 inches (12.7 to 102 mm), and thermal
conductive paste
