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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 114160.00A
LEESON 122252.00B
LEESON 114159.00C
LEESON 122251.00D
LEESON 119564.00E
LEESON 122253.00F
LEESON 114158.00G
LEESON 119565.00H
LEESON 141309.00I
LEESON 141308.00J
StyleModelVoltageHpDesignFrameNameplate RpmInsulation ClassPower FactorTypePrice
A
114160.00		208-230/460V AC3/4 hpB, K56C-Class B65TF€1,314.86
B
122252.00		208-230/460V AC1 1/2 hpC, L145TC1750 RPMClass F67.7TF€1,787.35
C
114159.00		208-230/460V AC1/2 hpB, K56C1800 RPMClass B63TF€1,120.69
D
122251.00		208-230/460V AC1 hpB, N143TC1760 RPMClass F68.5TF€1,590.86
E
119564.00		208-230/460V AC1 hpB, N56C-Class F68.5TF€1,582.22
F
122253.00		208-230/460V AC2 hpB, L145TC1745 RPMClass F75.6TF€1,836.32
G
114158.00		208-230/460V AC1/3 hpL56C1800 RPMClass B66TN€1,030.22
H
119565.00		208-230/460V AC1 1/2 hpC, L56C1750 RPMClass F67.7TF€1,774.66
I
141309.00		230/460V AC10 hpB, H215TC1800 RPMClass F77TF€4,688.46
J
141308.00		230/460V AC7 1/2 hpA, H213TC1800 RPMClass F71.7TF€3,701.45

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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