KLSW-5 Airflow control switch, 2 stages, electronic

Airflow control switch, 2 stages, electronic

0.1..15 m/s (adjustable), relay 230 V /10 A, power supply 230 V AC, adjustable switch-on (15..120 s) and switch-off (2..20 s) delay, dimensions 108 x 72,5 x 70 mm + stem Ø 10 x 140 mm


The KLSW measures air velocity in the air ducts and switches the contact according to the air velocity setpoint.

  • Air flow monitoring in HVAC plants, or as a safety element at air humidifiers and electrical heaters as in DIN 57100 part 420. 

The sensor contains temperature compensation function.

Make sure that the sensor is properly installed and oriented in the duct – follow attached mounting instructions!

* KLSW-6 power supply 24 V AC/DC