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

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

Filter
LEESON 119563.00A
LEESON 110670.00B
LEESON 122250.00C
LEESON 110669.00D
LEESON 110671.00E
LEESON 114155.00F
LEESON 140639.00G
LEESON 122248.00H
LEESON 122249.00I
StyleModelVoltageHpNameplate RpmDesignFrameInsulation ClassPower FactorTypePrice
A
119563.00		208-230/460V AC1 hp1760 RPMB, N56CClass F68.5TF£1,677.65
B
110670.00		208-230/460V AC1/2 hp1800 RPMB, L56CClass B67TN£1,173.64
C
122250.00		208-230/460V AC2 hp1745 RPMB, L145TCClass F75.6TF£1,918.08
D
110669.00		208-230/460V AC1/3 hp1800 RPMLC56CClass B66TN£1,046.01
E
110671.00		208-230/460V AC3/4 hp1800 RPMB, L56CClass F70TN£1,373.11
F
114155.00		208-230/460V AC3/4 hp1725 RPMB, K56CClass B65TF£1,373.11
G
140639.00		230/460V AC10 hp1800 RPMB, H215TCClass F77TF£4,862.59
H
122248.00		230/460V AC1 hp1800 RPMB, N143TCClass F68.5TF£1,687.15
I
122249.00		230/460V AC1 1/2 hp1750 RPMB, L145TCClass B67.7TF£1,854.56

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 feature durable steel frame construction for structural rigidity and Polyrex EM lubrication to resist oil & water leakage at temperatures up to 40 degrees Celsius.
  • They have a drive-end, C-Face endshield with rigid base mounting for quick installation.
  • These NEMA Design B 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.
  • These motors produce torque up to 10 hp at 50 / 60Hz power supply.
  • They come with a TEFC / TENV enclosure to ensure protection from dust, water and air-borne contaminants.
  • These triple-phase units have a power Off manual release for user convenience in case of a power failure. The load is automatically stopped when power is turned Off.
  • They offer continuous duty operation at speeds up to 1800 rpm.

Standards and Approvals

  • NEMA
  • IEC

Frequently Asked Questions

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.

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.

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