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Motor, 3-Ph, 1.5, 1725, 208-230/460, Eff 80.0

Inverter Duty Motor, Open Drip Proof, HP 1 1/2, RPM 1725, Voltage 208-230/460, NEMA Frame 56H, 1.15 Service Factor, 60 Hz, 80.0 Nominal Efficiency, Rigid Mounting, Double-Shielded Ball Bearings, Thermal Protection None, Full Load Amps 4.8-4.8/2.4, Steel Frame, Insulation Class F, Ambient 40 C, CW/CCW Rotation, Shaft Diameter 5/8 In, Shaft Length 1 7/8 In
Grainger Item #3N644 
Price (ea.)$371.00
BrandDAYTON 
Mfr. Model #3N644 
Ship Qty. 1 
Sell Qty. (Will-Call) 1 
Ship Weight (lbs.)38.0 
Usually Ships** Today 
Catalog Page No.14 catalog 
Country of Origin
(Country of Origin is subject to change.)
USA 
See Notes & Restrictions for important safety information.

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ItemEnergy Efficient Motor
Motor Type3-Phase
HP1 1/2
Nameplate RPM1725
Voltage208-230/460
NEMA/IEC Frame56H
EnclosureOpen Dripproof
Hz60
Full Load Amps4.8-4.8/2.4
DutyInverter
Service Factor1.15
Nominal Efficiency80.0
MountingBase
BearingsDouble-Shielded Ball
Thermal ProtectionNone
RotationCW/CCW
Insulation ClassF
Ambient (C)40
Overall Length (In.)10 15/16
Length Less Shaft (In.)9 1/16
Shaft Dia. (In.)5/8
Shaft Length (In.)1 7/8
Frame MaterialSteel
Efficiency GroupNot Covered
NEMA DesignB
NEMA StandardInverter NEMA MG 1 Part 31: 10:1 Variable and 4:1 Constant Torque
Rated50 Hz Operation on 190/380V at 5/6 of 60 Hz HP and RPM at 1.0 SF
Phase3
RPM Range1400-1800
StandardsUL Recognized (E47479), CSA Certified
Warranty (Years)1
Footnotes5,12

The "Usually Ships" reflects when an item is generally expected to ship from Grainger based on its stocking location. Real-time availability information will be shown during the checkout process and on the e-mail order confirmation (for U.S. and Puerto Rico - US customers only). Please allow additional delivery time for international orders.
 
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