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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 324THFS19058A
MARATHON MOTORS 284THFNA19048B
MARATHON MOTORS 145TTTN16630C
MARATHON MOTORS 405THFS9040D
MARATHON MOTORS 254TTFNA16838E
MARATHON MOTORS 143THTN9001F
MARATHON MOTORS 324TTFS16860G
MARATHON MOTORS 145TTTN16628H
MARATHON MOTORS 145TTTN16629I
MARATHON MOTORS 324TTFS6526J
MARATHON MOTORS 254THFNA9001K
MARATHON MOTORS 284THFNA9026L
MARATHON MOTORS 284TTFNA6837M
MARATHON MOTORS 256TTFNA6529N
MARATHON MOTORS 254TTFNA6526O
MARATHON MOTORS 254TTFNA6501P
MARATHON MOTORS 182TTTS6538Q
MARATHON MOTORS 182TTTS6501R
MARATHON MOTORS 143TTTN6563S
MARATHON MOTORS 324THFS9026T
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.
StyleModelMotor DesignItemEfficiency GroupFrameFrame SizeFull Load AmpsHPHzPrice (ex. VAT)
A
324THFS19058		-Severe Duty Motor--324T47.54060€6,462.38
B
284THFNA19048		-Severe Duty Motor--284T312560€3,953.60
C
145TTTN16630		-Severe Duty Motor-145T--1.560€957.47
D
405THFS9040		-Severe Duty Motor-405T-90.510060€16,261.62
E
254TTFNA16838		-Severe Duty Motor-254T-18.81560€2,500.62
F
143THTN9001		-Severe Duty Motor-143T-21.560€296.19
G
324TTFS16860		-Severe Duty Motor-324T-47.54060€4,945.34
H
145TTTN16628		3 phaseSevere Duty Motor-145T-6/3A260 Hz€957.78
I
145TTTN16629		3 phaseSevere Duty MotorNEMA Premium Efficient145T-3A260 Hz€1,298.55
J
324TTFS6526		3-PhaseSevere Duty MotorNEMA Premium324T-47.54060€6,751.38
K
254THFNA9001		3-PhaseGeneral Purpose MotorPremium254T-17.51560€3,218.29
L
284THFNA9026		3-PhaseGeneral Purpose MotorPremium284T-312560€5,057.69
M
284TTFNA6837		3-PhaseSevere Duty MotorNEMA Premium284T-62.0/31.02560€4,072.44
N
256TTFNA6529		3-PhaseSevere Duty MotorNEMA Premium256T-48.0/24.12060€3,552.85
O
254TTFNA6526		3-PhaseSevere Duty MotorCEE254T-18.81560€3,121.53
P
254TTFNA6501		3-PhaseSevere Duty MotorNEMA Premium254T-17.51560€2,994.00
Q
182TTTS6538		3-PhaseSevere Duty MotorNEMA Premium182T-8.0/4.0360€1,284.81
R
182TTTS6501		3-PhaseSevere Duty MotorNEMA Premium182T-3.8360€1,729.47
S
143TTTN6563		3-PhaseSevere Duty MotorNEMA Premium143T-3.0/1.5160€870.23
T
324THFS9026		3-PhaseGeneral Purpose MotorPremium324T-47.54060€7,107.40
J
286TTFNA6570		3-PhaseSevere Duty MotorNEMA Premium286T-73.0/36.53060€4,289.20

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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