Marathon 40 HP Fire Pump Motor, 3 phase, 3600 RPM, 230/460 V, 286TS Frame, ODP - U508

Catalog #:U508
Part #:286TSTDP4022
  • Red paint on 25 HP through 200 HP
  • NEMA Design B, Code G or less
  • Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
  • Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
  • Will accept C-Face kits, see Accessories section for kits
  • 230/460 and 460 Volt models rated for 50 HZ at next lower HP, 1.15 SF
  • Will become build-up item when current stock is gone
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Weight:360.00 LB
List Price: $4,770.00

General Specifications

UPC: 722856035967 Weight: 360.00 LB
Packaged Length: 35 IN Packaged Width: 26 IN
Packaged Height: 22.62 IN

Nameplate Specifications

Output HP: 40 Hp Output KW: 30.0 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 94.0/47.0 A Speed: 3525 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91.7 % Power Factor: 86
Duty: Continous Insulation Class: B
Design Code: B KVA Code: G
Frame: 286TS Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 50 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
UL: No CSA: Y
CE: Y IP Code: 23

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Wye Start Delta Run
Poles: 2 Rotation: Reversible
Resistance Main: .189 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: TS Overall Length: 23.64 in
Frame Length: 14.25 in Shaft Diameter: 1.625 in
Shaft Extension: 3.45 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)
1/3 290.00 617.0 95.00 160.0 700 0.00 0.0 40.00
Full Load 47.00 100.0 59.50 100.0 3,525 0.00 0.0 40.00
Locked-Rotor 290.00 617.0 106.00 179.0 0 0.00 40.0 40.00
Break-Down 180.00 382.0 166.00 280.0 3,175 0.00 70.0 40.00
Pull-Up 275.00 585.0 110.00 185.0 1,900 0.00 0.0 40.00
2/3 265.00 564.0 115.00 193.0 2,100 0.00 0.0 40.00
No Load 15.00 32.0 0.00 0.0 3,600 0.00 0.0 40.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 120 % 125 %
Current (Amps) 15.00 19.00 27.00 36.00 47.00 54.00 56.50 59.00
Rated Output (KW) 1.50 9.00 16.50 24.50 33.00 38.00 39.50 41.50
Efficiency (%) 0.0 85.5 90.2 91.0 91.7 91.0 90.2 90.2
Power Factor (%) 10.0 56.0 76.0 83.0 86.0 86.5 87.0 87.0
Speed (RPM) 3,600 3,585 3,565 3,550 3,525 3,515 3,512 3,510
Temp. Rise @ FL 0.0 0.0 0.0 0.0 50.0 65.0 75.0 80.0
Torque (ft-lbs) 0.00 14.50 29.50 44.50 59.50 68.50 72.00 75.00
Catalog #:U592
Part #:286TSTDBD4022
List Price: $4,770.00
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