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Blue Max 2000 Inverter Duty Motors, Totally Enclosed, Rigid Base

Marathon Blue Max 2000 inverter motors are designed to run at a constant torque at zero speed using closed or open-loop vector controls. These units are used in material handling applications, conveyors, test stands, pump compressors and machinery installed in dusty or dirty environments.

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LEESON 143THTN8028A
MARATHON MOTORS 324THFPA8028B
MARATHON MOTORS 364THFS8036C
MARATHON MOTORS 364THFS8391D
MARATHON MOTORS 444THFN8384E
MARATHON MOTORS 365THFS8046F
MARATHON MOTORS 365THFS8036G
MARATHON MOTORS 326THFS8028H
MARATHON MOTORS 326THFPA8038I
LEESON 145THTN8029J
MARATHON MOTORS 324THFPA8038K
MARATHON MOTORS 286THFPA8086L
MARATHON MOTORS 286THFPA8038M
MARATHON MOTORS 286THFNA8028N
MARATHON MOTORS 284THFPA8086O
MARATHON MOTORS 284THFPA8038P
MARATHON MOTORS 284THFPA8028Q
MARATHON MOTORS 254THTNA8058R
MARATHON MOTORS 184THTS8028S
LEESON 145THTN8037T
MARATHON MOTORS 364THFS8046U
MARATHON MOTORS 445THFN8036V
MARATHON MOTORS 445THFN8050W
StyleModelVoltageHpFrameFull Load AmpsEfficiency GroupMax. RpmConduit Box PositionEfficiencyPrice
A
143THTN8028		230/460V AC1 hp143TC3/1.5APremium5400 RPMF1/F2 Capable85.5%£1,619.63
B
324THFPA8028		230/460V AC40 hp324T100/50AEpact1800 RPMF1, F295.4%£7,009.34
C
364THFS8036		230/460V AC60 hp364T147/73.5A-1800 RPMF1, F292.4%£11,178.75
D
364THFS8391		230/460V AC40 hp364TC107/53.5A-1200 RPMF1, F291%£15,876.37
E
444THFN8384		230/460V AC100 hp444TC250/125AEpact1200 RPMF1, F294.5%£30,030.94
RFQ
F
365THFS8046		230/460V AC75 hp365TC180/90AEpact1800 RPMF1, F293%£15,104.68
G
365THFS8036		230/460V AC75 hp365T184/92AEpact1800 RPMF1, F294.1%£13,042.14
H
326THFS8028		230/460V AC50 hp326T123/61.5AEpact1800 RPMF1, F293%£8,671.57
I
326THFPA8038		230/460V AC50 hp326TC120/60AEpact1800 RPMF1, F293%£10,021.25
J
145THTN8029		230/460V AC2 hp143TC3/1.5APremium5400 RPMF1/F2 Capable85.5%£1,753.53
K
324THFPA8038		230/460V AC40 hp324TC100/50AEpact1800 RPMF1, F294.5%£8,740.35
L
286THFPA8086		230/460V AC20 hp286TC52.5/26.2AEpact1200 RPMF1, F287.5%£9,875.45
M
286THFPA8038		230/460V AC30 hp286TC74/37AEpact1800 RPMF1, F291%£7,296.44
N
286THFNA8028		230/460V AC30 hp286T77/38.5AEpact1800 RPMF1, F293%£5,412.94
O
284THFPA8086		230/460V AC25 hp284TC63/31.5AEpact1800 RPMF1, F288.5%£7,638.24
P
284THFPA8038		230/460V AC25 hp284TC63/31.5AEpact1800 RPMF1, F291.7%£6,618.28
Q
284THFPA8028		230/460V AC25 hp284T63/31.5AEpact1800 RPMF1, F291.7%£4,736.20
R
254THTNA8058		230/460V AC15 hp254TC40.5/20.2APremium1800 RPMF1, F293%£3,892.74
S
184THTS8028		230/460V AC3 hp182TC8/4APremium5400 RPMF1, F288.5%£2,034.64
T
145THTN8037		230/460V AC1 hp143TC3/1.5APremium5400 RPMF1/F2 Capable85.5%£1,628.20
U
364THFS8046		230/460V AC60 hp364TC147/73.5A-1800 RPMF1, F292.4%-
RFQ
V
445THFN8036		460V AC150 hp445T170AEpact1800 RPMF1, F294.5%£27,274.22
W
445THFN8050		460V AC125 hp444T138AEpact1800 RPMF1, F295%£36,626.61
RFQ
W
449THFS8046		460V AC250 hp447/9T295AEpact1800 RPMF1, F295%£45,876.60
RFQ
W
449THFS8048		460V AC350 hp447/9T385AEpact1800 RPMF1, F295.4%£56,430.57
RFQ

Features

  • These 2000:1 inverter motors are operated at 1/2000 of the base speed, offering constant torque performance without overheating the system.
  • They feature a MAX GUARD insulation system that protects the motor from excessive thermal and dielectric stresses caused by the high switching frequencies of PWM drives.
  • These units are integrated with a patented fracket design for easy installation of encoders, brakes and blowers.
  • They feature a BCP bearing protection system that mitigates bearing currents caused by the inverter, thereby increasing bearing life.
  • The precision balanced design dampens vibration and increases motor life.
  • These units are available in TENV, TEBC and TEFC enclosures for maximum safety against moisture and contaminants.

Standards and Approvals

  • UL
  • CSA
  • CE

Frequently Asked Questions

What is the difference between closed-loop and open-loop vector controls?

  • Open-loop vector controls offer high starting torque and increased low-speed torque. They are ideal for applications requiring 100% of the rated torque at low speeds, like AC synchronous and induction motors.
  • Closed-loop vector controls allow 200% of the motor's rated torque at 0 RPM and are ideal for applications requiring load at standstill, like cranes and hoists.

What are these motors made of?

These Blue Max motors and mounting brackets are made of cast iron for corrosion resistance and minimal vibrations in harsh & dusty environments.

What are bearings used for?

Bearings are designed to reduce friction / stress between moving parts while supporting rotational or linear motion.

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