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LEESON Black Max Inverter Duty Motors, Hazardous Duty, Explosion Proof


Marathon inverter (vector) duty Black Max hazardous duty motors are ideal for powering machine tools, material handling equipment, conveyors, cranes & hoists and other variable speed applications. They are suitable for applications requiring up to 1000:1 constant torque speed range. These motors having a 56C frame, are installed in hazardous environments due to their explosion-proof design and totally enclosed non-ventilated (TENV) enclosure....Read more

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LEESON 056H17E5305A
LEESON 056H17E5303B
LEESON 056H17E5302C
LEESON 056H17E5301D
LEESON 056H17E5304E
StyleModelHpEfficiency GroupNominal EfficiencyFull Load AmpsEfficiencyOverall LengthFull Load TorqueTorquePrice
A
056H17E5305		1 hpEpact84%3/1.5A84%14"3 lbs.-ft.3 lbs.-ft.€1,409.55
B
056H17E5303		1/2 hpStandard80%1.6/0.8A80%12 1/2"1.52 lbs.-ft.1.52 lbs.-ft.€1,371.25
C
056H17E5302		1/3 hpStandard74%1.2/0.6A74.5%12"1 lbs.-ft.1 lbs.-ft.€1,078.24
D
056H17E5301		1/4 hpStandard71%1.1/0.55A71%12"0.75 lbs.-ft.0.75 lbs.-ft.€919.47
E
056H17E5304		3/4 hpStandard82.5%2.4/1.2A82.5%13 1/2"2.25 lbs.-ft.2.25 lbs.-ft.€1,287.06

Features

  • Marathon inverter (vector) duty Black Max hazardous duty motors are equipped with a MaxGuard inverter-rated insulation system for exceeding NEMA MG1 Part 31 rating and handling voltage peaks.
  • They produce a constant horsepower up to twice their base RPM speed and can be run at 1/1000 of the base speed in pump, fan & blower applications.
  • These motors can handle low speeds without getting overheated and have ball bearings for smooth operation.
  • These motors meet the T3B temperature code, handling a maximum surface temperature of 329 degrees F. They operate continuously at a 40 degrees C ambient temperature.
  • They come with a top mount (F3) conduit box (shipped loose) for easy & quick electrical connections.

Standards and Approvals

  • CSA
  • UL

Frequently Asked Questions

How are these motors installed?

These motors have a rigid base (C-face footed) for horizontal mounting on a surface for easy and secure installation.

Do these motors have thermal protection?

These Marathon inverter (vector) duty Black Max hazardous duty motors are integrated with normally closed thermostats (one per phase, Class F) for acting as a thermal protector and turning Off the controller to prevent damage.

How is the shaft of these motors designed?

These motors feature keyed shafts that can rotate in both clockwise & counterclockwise directions.

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