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Emerson 8100

Blower Motor, Belt Drive, 1/3 HP, Single Speed

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These 5.6" (diameter) open split phase, single shaft 1-speed belt drive replacement fan and blower motors are constructed with a dripproof design. These replacement motors come standard with several features:

  • 1.35 service factor
  • National Electrical Manufactures Association (NEMA) 48 frame
  • Automatic thermal overload protection
  • 40 degree C rise
  • Resilient base mounted
  • All angel sleeve bearings
  • 1/2" diameter shaft 1-1/2" long with full flat
  • Electrically reversible

Amperage

The amps that the unit is designed to operate at.

Amperage
6.4 Amps
Speed(s)

The number of speeds a motor runs at. Motors with 4 speeds can run at High, Medium High, Medium Low, and Low. Motors with 2 speeds can run at either high or low speed.

Speed(s)
Single
Service Factor

A measure of reserve margin built into a motor. Motors greater than a 1.0 SF have more than normal margin, and are used where unusual conditions such as occasional low voltage, momentary overloads, ect. are likely to occur. Used in "heavy duty" applications.

Service Factor
1.35 SF
Horse Power

The amount of power generated by the motor. One horsepower (HP) is equivalent to 746 watts.

Horse Power
1/3 HP
Revolutions Per Minute

Rotational speed in revolutions per minute

Revolutions Per Minute
1,725 RPM
Bearing

Basic types include: Sleeve - Preferred where low noise level is important, as on fan and blower motors. Unless otherwise stated, sleeve bearing motors listed can be mounted in any position, including shaft-up or shaft-down. Ball - Used where higher load capacity, either axial or radial, is required or where shaft speed is lower than 500 RPM. Shields, metal rings with close running clearance one one side (sigle-shielded) or both sides (double-shielded) of bearing, and seals, which are similar except with rubber lips that press against inner race, more effectively excluding dirt, ect., are two barriers used to keep out dirt.

Bearing
Sleeve
Ambient

The temperature of the space around motor. Measured in Celcius (40 degrees celcius equals 104 F).

Ambient
40 Degree Celcius
Rotation
Reversible
Mounting

Resilient Mounting - Sometimes called rubber or hub mounted - motor shell is isolated from base by vibration absorbing material, such as rubber rings on the end shields, to reduce transmission of vibration to the housing of the unit or appliance. Stud Mounting - Motor has bolts extending from from front or rear, by which it is mounted. Often used on small, direct drive fans and blowers.

Mounting
Resilient
Replaces

Type of motor this model replaces.

Replaces
1/3 H.P. Belted Fan & Blower Motors
Shaft Dimensions

Width of the shaft (usually 1/2") x the Length of the shaft.

Shaft Dimensions
1/2 x 1.5 Inches
Thermal Overload Protection

A temperature or current sensing device usually integral within the motor, that disconnects the motor winding from its power source to prevent overheating due to overload or failure to start. Automatic Reset(Auto) - After Motor cools, protector automatically restores power. Should not be used where unexpected restarting would be hazardous.

Thermal Overload Protection
Auto
Total Length (Inches)

Total length (in inches) of motor and shaft.

Total Length (Inches)
9.4 inches
Voltage
115 Volts
Frequency
60 Hz

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