R4E310-AP21-10 -

Impeller; Backward Curved 3D; 277VAC; 170W; 1330 CFM; 66dBA; 1560 RPM; Ball; 310mm

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310 mm backward curved 3D Impeller features two-fold curved blades and have improved efficiency and reduced noise.

Impeller Completely Made of Aluminum

Maintenance-Free Ball Bearings

Cable Exit: Variable. Direction of Rotation is CW as Seen from Intake Side

UL, CSA, VDE Approvals on Most Models, Please Contact Application Engineering

Recommended Inlet Ring: 31051-2-4013 (Sold Separately)

Air Flow	1330 CFM
Bearing Type	Ball
Brand/Series	R4E310 Series
Capacitance	3 uF
Diameter, Outer	310 mm
Dimensions	12.5" Dia. x 6.06" W in.
Fan Type	Backward Curved Centrifugal Fan
Flow Rate	1330 CFM
Material, Impeller	Aluminum
Noise Level	66dBA
Noise Rating	63 dBA
Power Rating	170 W
Special Features	Two Fold Curved Blades
Speed	1560 RPM
Standards	UL Listed, CSA Certified, VDE Approval
Temperature, Ambient	55 °C (Max.)
Temperature, Operating, Maximum	+55 °C
Termination	Leadwires
Type	Impellers
Voltage Rating	277 VAC
Weight	8.4 lbs.
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