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LEESON Farm Duty/Agricultural Motors, Single Phase, TEAO, Resilient Base-Thru Bolt

Marathon farm duty / agricultural motors are suitable for demanding environments of agricultural applications. These single-phase motors offer rugged construction and a permanent split capacitor for producing high starting torque.

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LEESON 5KH32FNA499SA
LEESON 5KH32FN3122SB
LEESON 5KHC39QN9584XC
LEESON 5KCR49SN0042SD
LEESON 5KHC39QN9575TE
LEESON 5KH36PN106F
LEESON 5KH42GN0337G
LEESON 5KH49MN6057SH
LEESON 5KH42JN0328SI
LEESON 5KH33JNA500SJ
LEESON 5KCP36NNB059SK
LEESON 5KCR49SN0493SL
LEESON 5KCR49ZN0785SM
StyleModelCapacitor RequiredEnclosureFrameFull Load AmpsHPHzLength Less ShaftMotor DesignPrice
A
5KH32FNA499S		-Totally Enclosed Air-Over48Z5.11/4607.437"Split-Phase£221.44
B
5KH32FN3122S		-Totally Enclosed Air-Over485.11/4607.437"Split-Phase£92.86
C
5KHC39QN9584X		-Totally Enclosed Air-Over565.2/2.7-2.61/2608.5"Split-Phase£510.35
D
5KCR49SN0042S		--569.6/5.2-4.8150/6010"Capacitor-Start£567.24
E
5KHC39QN9575T		-Totally Enclosed Nonventilated483.0/1.6-1.51/460-Split-Phase£127.25
F
5KH36PN106		-Totally Enclosed Air-Over484.2 /2.71/4, 1/12608.5"Split-Phase£350.46
G
5KH42GN0337		-Totally Enclosed Air-Over568.01/2608.187"Split-Phase£439.86
H
5KH49MN6057S		NoTotally Enclosed Nonventilated565.61/460-Split-Phase£484.88
I
5KH42JN0328S		NoTotally Enclosed Nonventilated568.0/4.0-4.01/260-Split-Phase£339.37
J
5KH33JNA500S		NoTotally Enclosed Nonventilated48Z6.21/360-Split-Phase£253.65
K
5KCP36NNB059S		NoTotally Enclosed Nonventilated48Z7.2/3.61/2608.5"Permanent Split Capacitor£275.74
L
5KCR49SN0493S		YesTotally Enclosed Nonventilated5610.6/5.5-5.3160-Capacitor-Start/Run£517.93
M
5KCR49ZN0785S		YesTotally Enclosed Nonventilated5614.0/7.2-7.01.550/60-Capacitor-Start/Run£614.29

Working Mechanism

  • Split-phase motors come with a single cage rotor and a stator with two windings (main and starting) displaced 90 degrees in space.
  • The main winding has low resistance and high inductive reactance, while the starting winding has high resistance & low inductive reactance.
  • As the current in the two windings is not equal, the rotating field is not uniform. Hence, the starting torque is smaller than the stated starting torque.
  • Just as the motor reaches the speed of 70 to 80 percent of the synchronous speed, the starting winding splits automatically from the main supply.
  • Now, the motor starts running on the main winding only, providing increased torque to perform the desired application.

Features

  • Farm Duty Motors, such as 5KH42JN0328S features resilient base-extended studs for suspending the motor to dampen vibrations and noise during the operation.
  • Their single-phase design delivers speeds up to 1800 rpm and has keyed or flat type motor shaft for efficient energy conversion.
  • These farm duty motors are available in a split-phase / PSC (permanent split capacitor) / capacitor-start / capacitor-run motor design and are capable of producing higher starting torque in agricultural equipment.

Standards and Approvals

  • UL
  • CSA
  • CE

Frequently Asked Questions

What is a TEAO enclosure?

TEAO (totally enclosed air over) enclosure is typically installed in the airstream where the air movement generated by the fan passes over the motor to cool it.

What is the purpose of motor thermal protection?

Motor thermal protectors help to shut off the motor operation during excessive heat generation and reset the power as soon as the motor cools down.

What are ball bearings?

Ball bearings are lubricated moving components that provide smooth and continuous operation of a motor by reducing frictional loss.

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