Marathon 30 HP Definite Purpose AC Motor, 3 phase, 1800 RPM, 208-230/460 V, 286TC Frame, TEFC - U726

Catalog #:U726
Part #:286TTFPA4028
  • Meets or exceeds NEMA Premium® efficiencies NEMA Premium® models are in compliance with EISA2007
  • Cast iron frame and brackets
  • Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque, 1.0 SF (except as noted)
  • 1.15 Service Factor
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • UL Recognized, CSA Certified, CE Mark
File is not found. Please try again or contact customer service.
Sorry, at this time this product does not comply with the standards of the country you selected.
This product complies with the standards of the country you selected.
The account you are currently on does not have access to purchase this product. Please change to your {0} account to purchase.
The following item(s) have been moved to {0}: {1}
Quantities over {0} may require additional lead time. A Regal representative will contact you if this occurs.
You can only order in multiples of {0}. Please enter a valid quantity for this item.
Sorry, this item is no longer available.
Discontinued
Available warehouses not found.
Sorry, this item is no longer available.

General Specifications

Weight: 437.00 LB Packaged Length: 35 IN
Packaged Width: 26 IN Packaged Height: 21.13 IN

Nameplate Specifications

Output HP: 30 Hp Output KW: 22.4 kW
Frequency: 60 Hz Voltage: 208-230/460 V
Current: 81.0-74.0/37.0 A Speed: 1768 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 92.4 % Power Factor: 82
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 286TC Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: .285 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Overall Length: 27.84 in
Frame Length: 14.25 in Shaft Diameter: 1.875 in
Shaft Extension: 3.25 in Assembly/Box Mounting: F1/F2 CAPABLE

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 15.60 42.0 0.00 0.0 1,800 30.00
Pull-Up 175.00 473.0 155.00 174.0 900 30.00
Break-Down 125.00 338.0 225.00 253.0 1,625 66.0 30.00
Locked-Rotor 217.00 586.0 175.00 197.0 0 40.0 30.00
Full Load 37.00 100.0 89.00 100.0 1,768 30.00
1/3 200.00 541.0 150.00 169.0 600 30.00
2/3 150.00 405.0 175.00 197.0 1,200 30.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 15.60 17.50 22.50 29.50 37.00 42.50 46.00
Rated Output (KW) 0.60 6.20 12.20 18.20 24.20 28.00 30.50
Efficiency (%) 0.0 89.5 92.4 93.0 92.4 91.7 91.0
Power Factor (%) 4.5 44.5 67.0 77.0 82.0 83.0 83.5
Speed (RPM) 1,800 1,792 1,785 1,778 1,768 1,760 1,755
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 22.00 44.00 66.50 89.00 103.00 112.00
This name is used, please enter another
{0} was created successfully.
{0} was deleted successfully.
Please select an account
Profile updated successfully.
Thank you for your registration request. We have submitted your information to your company's administrator for review and approval.
You have been logged out due to inactivity. Please log in again.