AFM ORIONFANS | Alldatasheet
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Dallas, TX 75243 800.323.2439 A division of Knight Electronics, information and data are subject to change without prior notifi cation. Model No. Description Weight AFM-01NC Air-fl ow switch, NC with mounting clip and clamp (for attaching to existing fan assembly) 6 g (0.2 oz) AFM-01NO Air-fl ow monitor, NO with mounting clip and clamp (for attaching to existing fan assembly) 6 g (0.2 oz) AFM-80NC Air-fl ow monitor, NC with 80 x 80mm (3.15”) plastic fi nger guard 20 g (0.7 oz) AFM-80NO Air-fl ow monitor, NO with 80 x 80mm (3.15”) plastic fi nger guard 20 g (0.7 oz) AFM-92NC Air-fl ow monitor, NC with 92 x 92mm (3.62”) plastic fi nger guard 20 g (0.7 oz) AFM-92NO Air-fl ow monitor, NO with 92 x 92mm (3.62”) plastic fi nger guard 20 g (0.7 oz) AFM-120NC Air-fl ow monitor, NC with 120 x 120mm (4.27”) plastic fi nger guard 31 g (1.1 oz) AFM-120NO Air-fl ow monitor, NO with 120 x 120mm (4.27”) plastic fi nger guard 31 g (1.1 oz) AFM Series Air Flow Monitor The air-fl ow monitor provides a simple alternative to indicate positive or negative air fl ow of fans or blowers. When properly installed and connected in series with an optical (i.e. LED) or audible signaling device, a bi- directional switch will activate an electrical contact if the air fl ow of the fan falls below 8.2 ft/s, turning the signaling device on or off. The AFM monitor can also be attached to an existing grill or guard. www.orionfans.com Specifi cations Contact Type: Reed/magnet contact NC (Normally Closed): Contact open with air fl ow NO (Normally Open): Contact closed with air fl ow Switching Threshold of Air Flow Speed: >8.2 ft/s (2.5 m/s) Hysteresis: 3.3 ft/s (1m/s) - fi xed Contact Resistance Incl. Wire: 370m (1214”) Service Life: >100,000 cycles Maximum Switching Capacity: 10W (resistive load) Maximum Switching Voltage: NC - AC/DC 240V NO - DC 60V Maximum Switching Current: NC - DC 500mA NO - DC 170mA Connection: 2 x single strand AWG26, length 500mm (20”), tip of stranded wire stripped/tinned 5mm (0/20”) Mounting: Attachment clamp and/or clip, or integrated in protective grill Mounting Position: Air-fl ow monitor opening perpendicular to air fl ow Operating Temperature: -20 to 50°C (-4 to 122°F) Storage Temperature: -20 to 80°C (-4 to 176°F) Housing: Plastic, UL 94HB, black Protection Type: NEMA 1 (IP 20) Agency Approvals: CE RoHS Compliant Dimensions: mm (inch) Wiring Example Air-fl ow monitor integrated in a protective grill 80 x 80 (3.15 x 3.15) 92 x 92 / 120 x 120 7.5 (0.3) 17.5 (0.7) 34 (1.3) e.g signal device