Locked Rotor Alarm Signal Output (yellow wire lead): Under normal conditions a locked rotor alarm signal outputs a constant signal frequency... if the fan stops spinning or "locks", it then outputs a "LOW" condition signal. If the fan starts spinning again, the "LOW" condition signal will go away.
•Dimensions: 80 x 80 x 25mm (3.15 x 3.15 x 1")
•Mounting Center: 71.5mm (2.82")
•Rating: 12VDC
•Current: 0.2 Amps
•Power: 2.4 W
•Bearing: Ball
•Speed: 2700 RPM
•Noise: 29.8 dBA
•Max Air: 37 CFM
•Max Pressure: 3.24 mmH2O
•Temperature: -30 to +75 C
•Hours: 35000-50000
•Termination: Wire leads
•Weight: 85g
•Impeller: Glass fibre reinforced plastic 94V-0 PBT
•Frame: Glass fibre reinforced plastic 94V-0 PBT