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MARATHON MOTORS 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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MARATHON MOTORS 286THFPA8038A
MARATHON MOTORS 365THFS8036B
MARATHON MOTORS 444THFN8384C
MARATHON MOTORS 326THFS8028D
MARATHON MOTORS 326THFPA8038E
MARATHON MOTORS 324THFPA8038F
MARATHON MOTORS 324THFPA8028G
MARATHON MOTORS 286THFPA8086H
MARATHON MOTORS 286THFNA8028I
MARATHON MOTORS 284THFPA8086J
MARATHON MOTORS 284THFPA8038K
MARATHON MOTORS 284THFPA8028L
MARATHON MOTORS 184THTS8028M
MARATHON MOTORS 364THFS8036N
MARATHON MOTORS 364THFS8391O
MARATHON MOTORS 365THFS8046P
MARATHON MOTORS 364THFS8046Q
MARATHON MOTORS 445THFN8036R
MARATHON MOTORS 445THFN8050S
StyleModelVoltageHpFull Load AmpsShaft Dia.Nominal EfficiencyFrameEfficiencyNema DesignPrice
A
286THFPA8038		230/460V AC30 hp74/37A1 7/8"91%286TC91%A€11,657.85
B
365THFS8036		230/460V AC75 hp184/92A2 3/8"94.1%365T94.1%A€20,228.93
C
444THFN8384		230/460V AC100 hp250/125A3 3/8"94.5%444TC94.5%A€42,811.34
D
326THFS8028		230/460V AC50 hp123/61.5A2 1/8"93%326T93%B€12,796.24
E
326THFPA8038		230/460V AC-120/60A2 1/8"93%326TC93%A€15,265.12
F
324THFPA8038		230/460V AC40 hp100/50A2 1/8"94.5%324TC94.5%A€13,183.91
G
324THFPA8028		230/460V AC40 hp100/50A2 1/8"95.4%324T95.4%B€11,198.03
H
286THFPA8086		230/460V AC20 hp52.5/26.2A1 7/8"87.5%286TC87.5%A€14,815.81
I
286THFNA8028		230/460V AC30 hp77/38.5A1 7/8"93%286T93%A€9,391.96
J
284THFPA8086		230/460V AC25 hp63/31.5A--284TC88.5%A€12,202.24
K
284THFPA8038		230/460V AC25 hp63/31.5A1 7/8"91.7%284TC91.7%A€10,268.95
L
284THFPA8028		230/460V AC25 hp63/31.5A1 7/8"91.7%284T91.7%B€7,566.87
M
184THTS8028		230/460V AC3 hp8/4A1 1/8"88.5%182TC88.5%A€3,207.14
N
364THFS8036		230/460V AC60 hp147/73.5A--364T92.4%A€17,859.05
O
364THFS8391		230/460V AC40 hp107/53.5A--364TC91%A€27,353.21
P
365THFS8046		230/460V AC75 hp180/90A2 3/8"93%365TC93%A€21,974.55
Q
364THFS8046		230/460V AC60 hp147/73.5A--364TC92.4%A-
RFQ
R
445THFN8036		460V AC150 hp170A3 3/8"94.5%445T94.5%A€41,593.18
S
445THFN8050		460V AC125 hp138A3 3/8"95%444T95%B€55,855.57
S
449THFS8046		460V AC250 hp295A3 3/8"95%447/9T95%A€66,185.84
S
449THFS8048		460V AC350 hp-3 3/8"95.4%447/9T95.4%A€79,688.75

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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