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IEEE 840 Motors

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Electrical Motors are electromechanical devices that convert electrical energy to mechanical energy by producing a rotating force (torque) measured in revolutions per minute (RPM) and horsepower (HP). Medium size motors are designed and built to operate at 60 Hz with three phase voltage at 230 volts, 460 volts and 575 volts. These motors are used to drive compressors, pumps, fans, machine tools, conveyers and other processing and materials handling equipment in industrial sectors.

Toshiba EQP Global 840 Motors are designed specifically for the chemical and mill industries. The Totally Enclosed Fan Cooled (TEFC) enclosure uses an external, shaft-mounted fan at the rear of the motor to blow air over the body to cool it. Seals and gaskets prevent air from freely moving between the interior of the motor and the surrounding environment. Many of the key features of the EQP Global 840 motors are in line with IEEE-841 motors. IEEE-841 motors, sometimes referred to as NEMA Premium, are the globally accepted standard for motors being used under the most extreme conditions.

Toshiba EQP Global 841 Motors are designed for severe duty applications in the chemical, mining, mill, oil and gas industries. The Class I Division 2 and vacuum pressure impregnated (VPI) Class F insulation provides additional reliability to withstand harsh environments. According to the IEEE 841 standard, severe duty motors should be able to perform at ambient temperatures from -13 degrees F to 104 degrees F and altitude up to 3281 feet. They should have full voltage starting and tolerate humid, corrosive or salty environments.

Toshiba F5006FLG3OMHD Standard IEEE 840 Motor 500 HP 575 Volt 3 Phase

$74632.03 $88898.45

The Toshiba EQP Global 840 Motor with 575 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

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Toshiba F5006FLG3BMHD Standard IEEE 840 Motor 500 HP 460 Volt 3 Phase

$74632.03 $88898.45

The Toshiba EQP Global 840 Motor with 460 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba F5006FLF4OMHD Standard IEEE 840 Motor 500 HP 575 Volt 3 Phase

$75729.74 $90206.00

The Toshiba EQP Global 840 Motor with 575 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba F5006FLF4BMHD Standard IEEE 840 Motor 500 HP 460 Volt 3 Phase

$75729.74 $90206.00

The Toshiba EQP Global 840 Motor with 460 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba 5004XSSC41E Standard IEEE 840 Motor 500 HP 575 Volt 3 Phase

$75287.56 $85780.20

The Toshiba EQP Global 840 Motor with 575 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba B5003FKG8OMHD Standard IEEE 840 Motor 500 HP 575 Volt 3 Phase

$74334.67 $88544.25

The Toshiba EQP Global 840 Motor with 575 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba B5003FKG8BMHD Standard IEEE 840 Motor 500 HP 460 Volt 3 Phase

$74334.67 $88544.25

The Toshiba EQP Global 840 Motor with 460 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba B5001FKG8OMHD Standard IEEE 840 Motor 500 HP 575 Volt 3 Phase

$74334.67 $88544.25

The Toshiba EQP Global 840 Motor with 575 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba B5001FKG8BMHD Standard IEEE 840 Motor 500 HP 460 Volt 3 Phase

$74334.67 $88544.25

The Toshiba EQP Global 840 Motor with 460 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba 5004XSSB41E Standard IEEE 840 Motor 500 HP 460 Volt 3 Phase

$75287.56 $89679.30

The Toshiba EQP Global 840 Motor with 460 Volt, 3 Phase, 500 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba F4506FLG3OMHD Standard IEEE 840 Motor 450 HP 575 Volt 3 Phase

$67774.45 $80730.00

The Toshiba EQP Global 840 Motor with 575 Volt, 3 Phase, 450 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Toshiba F4506FLG3BMHD Standard IEEE 840 Motor 450 HP 460 Volt 3 Phase

$67774.45 $80730.00

The Toshiba EQP Global 840 Motor with 460 Volt, 3 Phase, 450 HP. Excellent quality with oversized 300 series bearings and low temperature rise to extend life of motor. Specifically addressed the needs of chemical industries, and mills using many of the IEEE841 features.

+ Add to Job + Add to Favorites + Add to Quick Quote

Motor Starters, Soft Starters and VFDs

Motor Starters

Motor starters safely start and stop a motor in industrial applications. They are designed with a contactor, overload and circuit protection. They are used when basic motor control is required, where torque on the motor is not a concern and speed control is not needed. The advantages of motor starters include: lower cost, allows for remote operation, allows for monitoring of motor state (with the use of auxiliary contacts) and they are safe and efficient. The disadvantages include: high inrush current that can cause fuses to blow and breakers to trip if the inrush is too high, and the starter will allow a full torque to start the motor which can cause the motor to ramp up to full speed very quickly potentially causing the motor to wear and degrade prematurely.

Soft Starters

Soft starters protect motors from inrush current by gently ramping up the motor to full speed. They provide all of the same functions as a traditional motor starter. The advantages of soft starters include: they are less expensive than a VFD when only startup control is needed, they are a smaller system than a VFD where space is a concern and they prevent unwanted torque upon startup, prolonging the life of the motor. The disadvantages include: they are more expensive than a traditional motor starter and they do not allow for full speed control.

VFDs

A Variable Frequency Drive (VFD) allows for the slow ramp up of a motor during startup and the slowing down of the motor during shutdown. It also allows for full speed control during the entire run cycle of the motor. VFDs provide the same functions as both the traditional motor starters and soft starters. The advantages of VFDs include: full speed control (start, stop and in-between), more custom control and monitoring, energy savings due to efficient motor usage and less wear and tear on the motors. The disadvantages include: they are more expensive and larger than other motor control options and they generate heat that may require fans or AC units.

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