Contact type 

reed / magnet contact

Normally Closed (NC) 

switch contact open when air is flowing

Normally Open (NO) 

switch contact closed when air is flowing

Max. switching voltage 

NC: 240VDC (UL), 240V AC/DC (VDE) / NO: 60VDC

Max.switching current 

NC: DC 500mA / NO: DC 170mA

Max. switching capacity 

10W (resistive load)

Switching threshold of airflow velocity 

>2.5m/s (hysteresis:>1m/s)

Max.airflow velocity 

50m/s

Contact resistance 

<370mΩ (with wire)

Max. air humidity 

70% RH (not precipitating)

Service life 

>100,000 cycles

Connection

2×single strand AWG26, length 500mm, tip of stranded

wire 5mm stripped and tinned (NC:black, NO:blue)

Mounting 

alternatively integrated integrated in protective grille (see table).

mounting clamp or mounting clip

Casing 

plastic according to UL94-HB, black

Fitting position 

bidirectional tab perpendicular to airflow

Operating / Storage temperature 

-20 to +50°C (-4 to +122°F) / -20 to +80°C (-4 to +176°F)

Protection type 

IP20