Airflow Monitor For HVAC Systems With 50 Meters Per Second Switch NC Open On Flow 240V AC DC Ready Detects Fan Failure And Triggers Alarm For Quick No Nonsense Airflow Loss Alerts

Single-unit airflow monitor for HVAC with NC/NO switch
✔️ NC/NO switching, 240V AC/DC ready, IP20, -20°C to 50°C

Designed for HVAC systems, this mechanical airflow monitor detects air loss in ducts or fan units. It uses NC/NO switches and snaps into standard fan mesh covers, offering quick, no-electronics needed alerts when airflow drops.

✅ Dual switch options NC/NO for flexible wiring; NC closes on airflow, NO opens
✅ Maximum switching voltage: NC up to 240V DC (UL) or 240V AC/DC (VDE); NO up to 60V DC
✅ Maximum switching current: NC DC 500mA; NO DC 170mA
✅ Maximum switching capacity: 10W (resistive load); hysteresis >1m/s
✅ Switching value: >2.5m/s; Max airflow: 50 m/s; IP20
✅ Casing: plastic UL94-HB; size 120 x 120 x 10 mm; snap-in installation
✅ Wiring: 2 AWG26 wires, 500 mm long; NC is black, NO is blue
✅ Package contents: 1× Airflow monitor

💡 What is an airflow monitor used for in HVAC systems? Airflow monitors help keep HVAC equipment safe by signaling airflow loss and triggering alarms, allowing rapid response. - Handy for detecting fan failure or duct blockages in ventilation systems - Simple mechanical sensor; no complex electronics required - Quick, snap-in installation near fans for easy setup

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