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Product ID: B319

B319 Marathon Fan & Blower 3/4HP Electric Motor

MFG: Marathon Electric
MFG Part Number: B319

Selected accessories will also be added to cart
$609.97 / Each
Quantity:
1725RPM, ODP, 56 Frame, 1-Phase, 115/208-230V 60Hz
Features
  • Heavy gauge steel frame and base
  • Thermal protection, as noted
  • Capacitor start design for high starting torque
  • Capacitor start/capacitor run design for higher efficiency, as noted
  • 48Y and 48YZ frame have 48/56 frame mounting holes
General Specifications

Model :056C17D2074Catalog No :B319
Part Description :3/4,1800,DP,56,1/60/115/208-230Category :Open Drip Proof (ODP)
Stock :Yes
Nameplate Specifications

Output HP :0.75 HpOutput KW :0.56 kW
Frequency :60 HzVoltage :115/208-230 V
Current :10.0/5.2-5.0 ASpeed :1725 rpm
Service Factor :1.25 Phase :1
Efficiency :70.1 %Duty :Continous
Insulation Class :B Design Code :NO DESIGN CODE
KVA Code :J Frame :56
Enclosure :Drip Proof Overload Protector :Automatic
Ambient Temperature :40 ?CDrive End Bearing Size :6203
Opp Drive End Bearing Size :6203 UL :Recognized
CSA :Y CE :Y
IP Code :22
Technical Specifications

Electrical Type :Capacitor Start Induction Run Starting Method :Across The Line
Poles :4 Rotation :Selective Counterclockwise
Mounting :Resilient Base - Extended Studs Motor Orientation :Horizontal
Drive End Bearing :Ball Opp Drive End Bearing :Ball
Frame Material :Rolled Steel Shaft Type :T
Overall Length :10.72 inShaft Diameter :0.625 in
Shaft Extension :1.87 inAssembly/Box Mounting :F1 Only
UPC :722856023193 Weight :23.00 LB
Speed Characteristics

CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Full Load5.00100.036.50100.01,7310.000.00.75
Locked-Rotor22.10442.049.40135.004.180.00.75
Break-Down0.000.079.00216.01,4600.000.00.75
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 3.20
  • 0.140
  • 0.0
  • 19.0
  • 1,800
  • 0.0
  • 0.00
  • 25 %
  • 3.60
  • 0.290
  • 49.0
  • 35.0
  • 1,780
  • 0.0
  • 9.13
  • 50 %
  • 3.90
  • 0.440
  • 64.0
  • 49.0
  • 1,765
  • 0.0
  • 18.26
  • 75 %
  • 4.40
  • 0.620
  • 68.0
  • 61.0
  • 1,750
  • 0.0
  • 27.40
  • 100 %
  • 5.00
  • 0.800
  • 70.1
  • 69.6
  • 1,731
  • 75.0
  • 36.50
  • 125 %
  • 5.30
  • 1.000
  • 69.8
  • 82.0
  • 1,725
  • 100.0
  • 45.60
Type
Electric Motor
Input Phase
Single Phase
Enclosure
ODP
Frame
56
Horsepower
3/4HP
Speed
1725RPM