MARATHON MOTORS Blue Chip Severe Duty/Automotive Duty Motors, Totally Enclosed, Rigid Base

Marathon Blue Chip Series severe-duty motors are used in paper mills, refineries, chemical plants, mines, foundries and food processing facilities for ventilation, heating and air conditioning.

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MARATHON MOTORS 324THFS9026A
MARATHON MOTORS 284THFNA9026B
MARATHON MOTORS 254THFNA9001C
MARATHON MOTORS 182TTTS6501D
MARATHON MOTORS 405THFS9040E
MARATHON MOTORS 145TTTN16628F
MARATHON MOTORS 324THFS19058G
MARATHON MOTORS 284THFNA19048H
MARATHON MOTORS 145TTTN16630I
MARATHON MOTORS 145TTTN16629J
MARATHON MOTORS 254TTFNA16838K
MARATHON MOTORS 182TTTS6538L
MARATHON MOTORS 143THTN9001M
MARATHON MOTORS 324TTFS16860N
MARATHON MOTORS 324TTFS6526O
MARATHON MOTORS 284TTFNA6837P
MARATHON MOTORS 256TTFNA6529Q
MARATHON MOTORS 254TTFNA6526R
MARATHON MOTORS 254TTFNA6501S
MARATHON MOTORS 143TTTN6563T
Assembly: F1 (F2 Modification Available) , Bearings: Ball , Duty: Continuous , Duty Cycle: Continuous , Enclosure Type: TEFC , Frame Material: Cast Iron , Green Certification or Other Recognition: NEMA PremiumR Rated , Hazardous Location Class: DIVISION 2 T2B , Insulation Class: F , Inverter Rated: Yes , IP Rating: 56 , Motor Mounting Position: Horizontal , Motor Shaft Design: Keyed , Motor Thermal Protection: None , Motor Type: IEEE 841 Motor , Mounting: Rigid , Mounting Type: RIGID , NEMA Design: B , Number of Speeds: 1 , Orientation: Horizontal , Phase: 3 , Service Factor: 1.15 , Standards and Approvals: UL , Warranty: 1 yr.
StyleModelItemEfficiency GroupEnclosurekWLength Less ShaftMax. Ambient Temp.Motor ApplicationMotor DesignPrice (inc. GST)
A
324THFS9026		General Purpose MotorPremium--23.375"40 Degrees CIEEE Motors3-Phase SGD 8,923.85
B
284THFNA9026		General Purpose MotorPremium--21.375"40 Degrees CIEEE Motors3-Phase SGD 6,261.67
C
254THFNA9001		General Purpose MotorPremium--19.25"40 Degrees CIEEE Motors3-Phase SGD 4,296.99
D
182TTTS6501		Severe Duty MotorNEMA Premium--9 15/16"40 Degrees CGeneral Application3-Phase SGD 2,218.23
E
405THFS9040		Severe Duty Motor-TEFC75---- SGD 22,050.97
F
145TTTN16628		Severe Duty Motor---9 3/16"40° CGeneral Application3 phase SGD 1,168.05
G
324THFS19058		Severe Duty Motor------- SGD 11,015.81
H
284THFNA19048		Severe Duty Motor------- SGD 6,738.62
I
145TTTN16630		Severe Duty Motor-TENV----- SGD 1,173.66
J
145TTTN16629		Severe Duty MotorNEMA Premium Efficient--8 7/8"40° CGeneral Application3 phase SGD 1,345.24
K
254TTFNA16838		Severe Duty Motor-TEFC11.2---- SGD 3,679.83
L
182TTTS6538		Severe Duty MotorNEMA Premium--9 15/16"40 Degrees CGeneral Application3-Phase SGD 1,670.39
M
143THTN9001		Severe Duty Motor-TENV1.12---- SGD 1,953.51
N
324TTFS16860		Severe Duty Motor-TEFC30---- SGD 8,430.00
O
324TTFS6526		Severe Duty MotorNEMA Premium--24.875"40 Degrees CGeneral Application3-Phase SGD 8,364.83
O
286TTFNA6570		Severe Duty MotorNEMA Premium--22.875"40 Degrees CGeneral Application3-Phase SGD 5,555.05
P
284TTFNA6837		Severe Duty MotorNEMA Premium--21.375"40 Degrees CGeneral Application3-Phase SGD 5,274.33
Q
256TTFNA6529		Severe Duty MotorNEMA Premium--21"40 Degrees CGeneral Application3-Phase SGD 4,540.31
R
254TTFNA6526		Severe Duty MotorCEE--19.25"40 Degrees CGeneral Application3-Phase SGD 3,874.45
S
254TTFNA6501		Severe Duty MotorNEMA Premium--19.25"40 Degrees CGeneral Application3-Phase SGD 3,834.77
T
143TTTN6563		Severe Duty MotorNEMA Premium--7.875"40 Degrees CGeneral Application3-Phase SGD 1,092.01

Features

  • They are made of 100% cast iron for structural rigidity and vibration damping.
  • These cooling tower motors are equipped with ball bearings for low rotational friction while running at a maximum speed of 3560 rpm.
  • These motors have extended grease tubes to reduce friction and external & internal epoxy paint for water-proof operation.
  • They are precision balanced to 0.08 inch/sec.
  • These motors have a service factor of 1.15 on sinewave and 1.0 on IGBT power.
  • They feature MAXGUARD Class F insulation for handling dissipated heat.

Standards and Approvals

  • UL
  • CE
  • CSA
  • Ford EM1
  • IEEE45 USCG

Frequently Asked Questions

What type of enclosure do Marathon Blue Chip Series severe-duty motors feature?

They feature a TEFC / TENV enclosure to prevent the overheating of motor windings and protect the motor from rain or airborne particles.

What is the nominal efficiency range of these motors?

These cooling tower motors deliver efficiency ranging from 86.5 to 95.4%.

What is the maximum ambient temperature of Marathon Blue Chip Series severe-duty motors?

These motors can be operated at a maximum ambient temperature of 40 degrees C.

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