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LEESON Brakemotors, Three Phase, TEFC, C Face Less Base


Leeson brake motors offer braking as a safety measure when power is cut abruptly. They are used on conveyors, machine tools, speed reducers, door operators and hoists which require a quick stop.

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LEESON 114158.00A
LEESON 114159.00B
LEESON 114160.00C
LEESON 119564.00D
LEESON 119565.00E
LEESON 122252.00F
LEESON 122253.00G
LEESON 122251.00H
LEESON 141308.00I
LEESON 141309.00J
StyleModelVoltageHpNameplate RpmDesignFrameBrake RatingMotor Thermal ProtectionInsulation ClassPrice
A
114158.00		208-230/460V33/100 hp1800 RPML56C--Class B€1,690.25
B
114159.00		208-230/460V1/2 hp1800 RPMB, K56C--Class B€1,108.25
C
114160.00		208-230/460V3/4 hp1725 RPMB, K56C6 lbs.-ft.-Class B€1,694.67
D
119564.00		208-230/460V1 hp1760 RPMB, N56C6 lbs.-ft.T StatClass F€1,564.17
E
119565.00		208-230/460V1 1/2 hp1750 RPMC, L56C10 lbs.-ft.ThermostatClass F€1,754.64
F
122252.00		208-230/460V1 1/2 hp1750 RPMC, L145TC10 lbs.-ft.T StatClass F€1,767.04
G
122253.00		208-230/460V2 hp1745 RPMB, L145TC10 lbs.-ft.T StatClass F€3,180.09
H
122251.00		208-230/460V1 hp1760 RPMB, N143TC6 lbs.-ft.ThermostatClass F€2,470.27
I
141308.00		230/460V7 1/2 hp1800 RPMA, H213TC--Class F€3,768.34
J
141309.00		230/460V10 hp1800 RPMB, H215TC--Class F€4,773.39

Working Mechanism

  • Brake motors use an electromagnetic field for powering and braking the motor.
  • They function by pushing a magnetic pole rotor through the applied current.
  • The poles of the stator (surrounding the rotor) apply force to turn the shaft.
  • When static AC or DC current is injected into the unit, the poles of the stator become static and stop the rotor.

Features

  • Leeson brake motors come with a TEFC / TENV enclosure to ensure protection from dust, water and air-borne contaminants.
  • They have a drive-end, C-face endshield with less base for quick installation.
  • These NEMA Design A, B or C units offer premium Class B / F insulation for temperature control.
  • The brakes of these models are fail-safe and spring-set, owing to dual voltage brake coils.
  • They feature durable steel frame construction for structural rigidity and Polyrex EM lubrication to resist oil & water leakage at temperatures up to 40 degrees Celsius.
  • These triple-phase units have a power-off manual release for user convenience in case of power failure. The load is automatically stopped when power is cut off.
  • They offer continuous duty operation at speeds up to 1800 rpm.
  • These IP43 motors produce torque up to 10 hp at 50 / 60Hz power supply.

Standards and Approvals

  • NEMA
  • IEC

Frequently Asked Questions

What is the difference between TENV and TEFC motors?

Totally enclosed non-ventilated (TENV) motors are designed without air openings and are ideal for applications where frequent sanitising or cleaning is required. TEFC (totally enclosed fan-cooled) motors come with an external fan to circulate outside air to the motor.

What is the difference between single, double and triple-phase motors?

  • Single-phase motor: Electricity flows through a single conductor.
  • Double-phase motor: Electricity flows through 4-wire conductors (2 for each phase).
  • Triple-phase motor: Electricity flows through 3 separate conductors.

What do Class B and F insulation mean?

These motors have Class B or F insulation for temperature control. Class B insulated motors can handle temperatures up to 130 degrees C and Class F motors can withstand a maximum temperature of 105 degrees C.

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