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Industrial Electric 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.

General purpose motors are usually totally enclosed fan cooled (TEFC) or open drip proof (ODP). TEFC motors are recommended for outdoor or wet environments. They protect against sever weather conditions, airborne contaminants and dust. ODP motors are recommended for indoor use without significant dust or airborne contaminants. The motors are designed with vented casings that keep liquid or solid particles from falling into the motor.

Explosion proof motors are required for industrial environments where combustible materials are present and the motor could be a source of unintended ignition. This can happen if a motor surface gets too hot and ignites gas, vapor or dust or if an arc from a malfunctioning motor ignites ambient material. An explosion proof motor should also be capable of containing an internal explosion without rupturing the casing.

IEEE 841 premium motors meet or exceed efficiency standards set by the Institute of Electrical and Electronics Engineers (IEEE). These motors provide better corrosion-resistance due to their cast iron casing and high-quality paint. Improved seals provide increased protection against liquid and solid contamination. The rotor cage is typically made of aluminum or copper and the fan is made of conductive plastic or a bronze alloy to prevent sparking. Class F insulation raises the max operating temperature to 311 degrees Fahrenheit and vibration allowances are 2.0 mm/s. While these specifications are specific to IEEE 841 premium motors, many of them are incorporated into Sever Duty Motors.

Subcategories

All Motors
Automotive Duty Motors
Brake Motors
Compressor Duty Motors
Crusher Duty Motors
Explosion Proof Motors
Fan Motors
Farm Duty Motors
Fractional HP Motors
General Purpose Motors
HVAC Motors
IEEE 840 Motors
IEEE 841 Premium Motors
Inverter Vector Duty Motors
Oil Well Pump Motors
Pressure Washer Motors
Pump Motors
Rotary Phase Converter Motor
RPM Motors
Severe Duty Motors
Submersible Motors
Top Mount Motors
Variable Speed Motors
Vertical Motors
Washdown Duty Motors

Products

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Baldor VP3605D 3.7KW, 1750RPM, DC, D112D, 3681P, Totally Enclosed Fan Cooled, F1
Baldor VP3603D 2.2KW, 1750RPM, DC, D112D, 3649P, Totally Enclosed Fan Cooled, F1
Baldor VP3588D 1.5/2HP, 3000RPM, DC, D90D, 3536P, Totally Enclosed Fan Cooled, F2
Baldor VP3585D 1.5/2HP, 1750RPM, DC, D90D, 3548P, Totally Enclosed Fan Cooled, F2
Baldor VP3585-14 1.5/2HP, 1750RPM, DC, D90C, 3548P, Totally Enclosed Fan Cooled, F2
Baldor VP3575D 1.1/1.5HP, 1750RPM, DC, D90D, 3536P, Totally Enclosed Fan Cooled, F2
Baldor VP3575-14 1.1/1.5HP, 1750RPM, DC, D90C, 3536P, Totally Enclosed Fan Cooled, F2
Baldor VP3468D 1.1/1.5HP, 3000RPM, DC, D90D, 3432P, Totally Enclosed Fan Cooled, F2
Baldor VP3458D .75/1KW, 3000RPM, DC, D80D, 3428P, Totally Enclosed Fan Cooled, F2
Baldor VP3455D .75/1HP, 1750RPM, DC, D80D, 3435P, Totally Enclosed Fan Cooled, F2
Baldor VP3455-14 .75/1HP, 1750RPM, DC, D80C, 3435P, Totally Enclosed Fan Cooled, F2
Baldor VP3439D .57/.75HP, 3000RPM, DC, D80D, 3420P, Totally Enclosed Fan Cooled, F2

 

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 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. 

Variable Frequency Drives (VFDs) allow for the slow ramp up of a motor during startup and the slowing down of the motor during shutdown. They also allow 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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