Specifications

MODELMOTORAIRFLOW (CFM @ Static Pressure)
HPVariable SpeedMax RPM0"1/2"1"1 1/4"
HighFEILowFEIHighFEILowFEIHighFEILowFEIHighFEILowFEI
SIS9DD050EC1/2Y*12001600-750-1450-600-1200-500-450-400-
SIS9DD100EC1Y*120020500.597501.8519500.756001.512001.115001.174501.074001.06
SIS10DD050EC1/2Y*11001975-1100-1400-400-800-400-----
SIS10DD100EC1Y*110025000.6111001.5720500.854001.6214001.114001.287501.233001.09
SIS12DD050EC1/2Y*10002600-1800-1925-400-850-400-600-300-
SIS12DD100EC1Y*100033000.5818001.2528000.84001.3723000.964001.0716501.073000.92
*Minimum motor speed 425 RPM (EC Models).
EC Motors can be controlled using the built in potentiometer on motor or by using a 0 to 10 V controller, or by a remote potentiometer.
REVIEW FAN CURVES BEFORE ADJUSTING RPM TO ENSURE LOAD DOES NOT EXCEED MOTOR HP.