Marathon 30 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 230/460 V, 326T Frame, EPFC - U049

Catalog #:U049
Part #:326TTGS4076
  • Meets NEMA Premium® efficiencies, Bearing Current Protection (BCP), as noted
  • 10:1 Variable torque, see Inverter Duty column for constant torque
  • MAX GUARD® Class F insulation
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external surfaces treated with epoxy paint
  • 1.15 Service Factor on sinewave or 1.0 Service Factor on IBGT power
  • Precision balanced to .08”/sec, Extended grease tubes
  • Normally closed thermostats (must be connected to control circuit)
  • Meets temperature code T3B, Shaft slinger, Nameplated 60/50 Hz, 190/380 Volts, at next lower HP, as noted
  • Ball Bearings (except as noted), Ball Bearings (except as noted)
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Weight:768.00 LB

General Specifications

Weight: 768.00 LB Packaged Length: 37.88 IN
Packaged Width: 31.88 IN Packaged Height: 24.63 IN

Nameplate Specifications

Output HP: 30 Hp Output KW: 22.4 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 76/38 A Speed: 1180 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91.7 % Power Factor: 80.5
Duty: CONTINUOUS Insulation Class: F
Design Code: B KVA Code: G
Frame: 326T Enclosure: EPFC
Thermal Protection: NOT Ambient Temperature: 40 °C
Drive End Bearing Size: 6312 Opp Drive End Bearing Size: 6311
UL: No CSA: N
CE: N IP Code: 54

Technical Specifications

Electrical Type: SQ CAGE INV RATED Starting Method: LINE OR INVERTER
Poles: 6 Rotation: REV
Resistance Main: 0.26 Ohms Mounting: RIGID
Motor Orientation: HORIZONTAL Drive End Bearing: BALL
Opp Drive End Bearing: BALL Frame Material: CAST IRON
Shaft Type: T Overall Length: 30.6 in
Frame Length: 13 in Shaft Diameter: 2.13 in
Shaft Extension: 5.53 in Assembly/Box Mounting: F1 ONLY

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 13.50 36.0 0.00 0.0 1,200 30.00
Full Load 38.00 100.0 134.00 100.0 1,180 30.00
2/3 175.00 461.0 190.00 142.0 800 30.00
Break-Down 120.00 316.0 300.00 224.0 1,125 70.5 30.00
Locked-Rotor 215.00 566.0 200.00 149.0 0 34.5 30.00
1/3 210.00 553.0 175.00 131.0 400 30.00
Pull-Up 200.00 526.0 175.00 131.0 600 30.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 13.50 16.00 21.80 29.00 38.00 44.00 47.50
Rated Output (KW) 0.75 6.50 12.00 18.00 24.50 28.00 30.50
Efficiency (%) 0.0 87.5 91.7 92.4 91.7 91.7 91.0
Power Factor (%) 6.0 50.0 70.0 78.0 80.5 81.0 81.0
Speed (RPM) 1,200 1,195 1,190 1,185 1,180 1,175 1,172
Temp. Rise @ FL 0.0 0.0 0.0 0.0 70.0 90.0 110.0
Torque (ft-lbs) 0.00 33.00 66.20 99.80 134.00 154.00 168.00
Catalog #:E565
Part #:326TTGS6578
List Price: $9,829.00
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