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/Products/Electric Motors/Single Phase Electric Motors/Marathon Single Phase Electric Motors/General Purpose/D312 Marathon 3/4HP Electric Motor, 3450RPM
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Product ID: 056C34F5302

D312 Marathon 3/4HP Electric Motor, 3450RPM

MFG: Marathon Electric
MFG Part Number: D312

Selected accessories will also be added to cart
$479.97 / Each
Quantity:
TEFC, 56C Frame, 115/208-230VAC 60Hz Single Phase, 056C34F5302, Rigid Base, Rolled Steel, 5/8" Keyed Shaft

Features

  • Double sealed ball bearings, mechanically locked on shaft end
  • Heavy gauge steel constructions
  • Bolt-on, removable rigid base
  • Suitable for horizontal or vertical mounting
  • Capacitor start design for high starting torque
  • Will accept brake kits, see Accessory section
  • Will accept drip cover kits, see Accessories section

General Specifications

UPC:722856009401Weight:28.00 LB
Packaged Length:16.12 INPackaged Width:10.25 IN
Packaged Height:9.12 IN

Nameplate Specifications

Output HP:0.75 HpOutput KW:0.56 kW
Frequency:60 HzVoltage:115/208-230 V
Current:10.6/5.3-5.3 ASpeed:3450 rpm
Service Factor:1.15Phase:1
Efficiency:66 %Power Factor:71.9
Duty:ContinousInsulation Class:B
Design Code:NKVA Code:M
Frame:56CEnclosure:Totally Enclosed Fan Cooled
Thermal Protection:NoAmbient Temperature:40 ?C
Drive End Bearing Size:6203Opp Drive End Bearing Size:6203
UL:RecognizedCSA:Y
CE:NIP Code:43

Technical Specifications

Electrical Type:Capacitor Start Induction RunStarting Method:Across The Line
Poles:2Rotation:Selective Counterclockwise
Resistance Main:0 OhmsMounting:Rigid Base
Motor Orientation:HorizontalDrive End Bearing:Ball
Opp Drive End Bearing:BallFrame Material:Rolled Steel
Shaft Type:TOverall Length:12.31 in
Shaft Diameter:0.625 inShaft Extension:1.88 in
Assembly/Box Mounting:F1 ONLY

Speed Characteristics

CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)(%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Locked-Rotor34.70655.059.60331.007.500.00.75
Full Load5.30100.018.00100.03,5000.8571.90.75
Break-Down17.00321.054.10301.03,0293.400.00.75
Pull-Up18.40347.048.60270.02,8143.500.00.75

Load Characteristics

% of Rated Load0 %25 %50 %75 %100 %115 %125 %150 %175 %200 %
Current (Amps)3.653.804.154.655.305.806.006.807.809.10
Rated Output (KW)0.220.370.520.680.850.971.051.261.501.80
Efficiency (%)0.040.155.562.866.067.467.867.766.063.0
Power Factor (%)25.040.553.562.871.974.977.180.884.086.0
Speed (RPM)3,6003,5653,5473,5253,5003,4893,4783,4493,4103,355
Temp. Rise @ FL0.00.00.00.065.080.085.00.00.00.0
Torque (ft-lbs)0.004.478.8813.4018.0020.8022.7027.4032.3037.60
Type
Electric Motor
Input Phase
Single Phase
Frame
56C
Enclosure
TEFC
Speed
3450RPM
Horsepower
3/4HP