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MARATHON MOTORS 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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MARATHON MOTORS 5KCR49SN0042SA
MARATHON MOTORS 5KCR49SN0493SB
MARATHON MOTORS 5KCR49ZN0785SC
MARATHON MOTORS 5KCP35KNB057SD
MARATHON MOTORS 5KCP36NNB059SE
MARATHON MOTORS 5KH49MN6057SF
MARATHON MOTORS 5KH42JN0328SG
MARATHON MOTORS 5KH32FNA499SH
MARATHON MOTORS 5KH32FN3122SI
MARATHON MOTORS 5KHC39QN9584XJ
MARATHON MOTORS 5KHC39QN9575TK
MARATHON MOTORS 5KH33JNA500SL
MARATHON MOTORS 5KH36PN106M
MARATHON MOTORS 5KH42GN0337N
Bearings: Ball , Duty: Continuous , Efficiency Group: Standard , Finish: Gray , Frame Material: Rolled Steel , Insulation Class: B , Motor Application: Farm Duty , Motor Mounting Position: Horizontal , Motor Sub Application: Poultry Fans , Mounting Position: Horizontal , Phase: 1 , Rotation: CW/CCW
StyleModelMotor DesignCapacitor RequiredEnclosureMotor Enclosure DesignMotor Shaft DesignMotor Thermal ProtectionMotor TypeMountingPrice
A
5KCR49SN0042S		Capacitor-Start--Totally Enclosed NonventilatedKeyedAuto--£837.54
B
5KCR49SN0493S		Capacitor-Start/RunYesTotally Enclosed NonventilatedTotally Enclosed NonventilatedKeyedAutoCapacitor-Start/Capacitor-RunCradle£763.50
C
5KCR49ZN0785S		Capacitor-Start/RunYesTotally Enclosed NonventilatedTotally Enclosed NonventilatedKeyedAutoCapacitor-Start/Capacitor-RunCradle£997.28
D
5KCP35KNB057S		Permanent Split CapacitorYesTotally Enclosed NonventilatedTotally Enclosed NonventilatedFlatAutoPSCCradle£329.09
E
5KCP36NNB059S		Permanent Split CapacitorNoTotally Enclosed NonventilatedTotally Enclosed NonventilatedFlatAutoPSCCradle£374.05
F
5KH49MN6057S		Split-PhaseNoTotally Enclosed NonventilatedTotally Enclosed NonventilatedKeyedAutoSplit-PhaseCradle£663.73
G
5KH42JN0328S		Split-PhaseNoTotally Enclosed NonventilatedTotally Enclosed NonventilatedKeyedAutoSplit-PhaseCradle£588.03
H
5KH32FNA499S		Split-Phase-Totally Enclosed Air-OverTotally Enclosed Air-OverFlatAutoSplit-PhaseCradle/Stud£365.17
I
5KH32FN3122S		Split-Phase-Totally Enclosed Air-OverTotally Enclosed Air-OverFlatAutoSplit-PhaseCradle/Stud£319.63
J
5KHC39QN9584X		Split-Phase-Totally Enclosed Air-OverTotally Enclosed Air-OverKeyedAutoSplit-PhaseCradle/Stud£853.66
K
5KHC39QN9575T		Split-Phase-Totally Enclosed NonventilatedTotally Enclosed NonventilatedFlatAutoSplit-PhaseRigid Base£333.62
L
5KH33JNA500S		Split-PhaseNoTotally Enclosed NonventilatedTotally Enclosed NonventilatedFlatAutoSplit-PhaseCradle£403.43
M
5KH36PN106		Split-Phase-Totally Enclosed Air-OverTotally Enclosed Air-OverFlatNoneSplit-PhaseCradle/Stud£376.48
N
5KH42GN0337		Split-Phase-Totally Enclosed Air-OverTotally Enclosed Air-OverKeyedNoneSplit-PhaseCradle/Stud£667.39

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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