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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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MARATHON MOTORS 286THFNA8028A
MARATHON MOTORS 286THFPA8086B
MARATHON MOTORS 364THFS8391C
MARATHON MOTORS 284THFPA8086D
MARATHON MOTORS 284THFPA8038E
LEESON 145THTN8037F
MARATHON MOTORS 365THFS8046G
MARATHON MOTORS 286THFPA8038H
MARATHON MOTORS 254THTNA8058I
LEESON 143THTN8028J
MARATHON MOTORS 364THFS8046K
MARATHON MOTORS 365THFS8036L
MARATHON MOTORS 326THFPA8038M
MARATHON MOTORS 324THFPA8038N
MARATHON MOTORS 324THFPA8028O
MARATHON MOTORS 184THTS8028P
MARATHON MOTORS 444THFN8384Q
MARATHON MOTORS 284THFPA8028R
LEESON 145THTN8029S
MARATHON MOTORS 326THFS8028T
MARATHON MOTORS 364THFS8036U
MARATHON MOTORS 445THFN8050V
MARATHON MOTORS 445THFN8036W
StyleModelVoltageFrameHpFull Load AmpsEfficiency GroupNominal EfficiencyMotor Thermal ProtectionNameplate RpmPrice
A
286THFNA8028		230/460V AC286T30 hp77/38.5AEpact93%T Stat1776 RPM€7,212.50
B
286THFPA8086		230/460V AC286TC20 hp52.5/26.2AEpact87.5%T Stat1160 RPM€12,722.75
C
364THFS8391		230/460V AC364TC40 hp107/53.5A----€27,353.21
D
284THFPA8086		230/460V AC284TC25 hp63/31.5AEpact---€12,202.24
E
284THFPA8038		230/460V AC284TC25 hp63/31.5AEpact91.7%T Stat1765 RPM€8,456.13
F
145THTN8037		230/460V AC143TC1 hp3/1.5APremium82.5%Thermostat1756 RPM€1,894.77
G
365THFS8046		230/460V AC365TC75 hp180/90AEpact93%T Stat1780 RPM€19,683.97
H
286THFPA8038		230/460V AC286TC30 hp74/37AEpact91%T Stat1765 RPM€11,657.85
I
254THTNA8058		230/460V AC254TC15 hp40.5/20.2APremium93%T Stat1772 RPM€5,527.86
J
143THTN8028		230/460V AC143TC1 hp3/1.5APremium85.5%T Stat-€1,906.25
K
364THFS8046		230/460V AC364TC60 hp147/73.5A-----
RFQ
L
365THFS8036		230/460V AC365T75 hp184/92AEpact94.1%T Stat1780 RPM€20,228.93
M
326THFPA8038		230/460V AC326TC-120/60A-93%T Stat1765 RPM€12,724.89
N
324THFPA8038		230/460V AC324TC40 hp100/50AEpact94.5%T Stat1770 RPM€11,128.25
O
324THFPA8028		230/460V AC324T40 hp100/50AEpact95.4%T Stat1770 RPM€11,198.03
P
184THTS8028		230/460V AC182TC3 hp8/4APremium88.5%T Stat1760 RPM€2,403.94
Q
444THFN8384		230/460V AC444TC100 hp250/125AEpact94.5%T Stat1190 RPM€49,511.74
R
284THFPA8028		230/460V AC284T25 hp63/31.5AEpact91.7%T Stat1765 RPM€7,566.87
S
145THTN8029		230/460V AC143TC2 hp3/1.5APremium85.5%T Stat1756 RPM€1,866.76
T
326THFS8028		230/460V AC326T50 hp123/61.5AEpact93%T Stat1780 RPM€11,126.65
U
364THFS8036		230/460V AC364T60 hp147/73.5A----€17,859.05
V
445THFN8050		460V AC444T125 hp138AEpact95%T Stat1785 RPM€55,855.57
V
449THFS8048		460V AC447/9T350 hp-Epact95.4%T Stat1784 RPM€69,773.11
V
449THFS8046		460V AC447/9T250 hp295AEpact95%T Stat1790 RPM€64,157.25
W
445THFN8036		460V AC445T150 hp170AEpact94.5%T Stat1790 RPM€41,593.18

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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