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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 110670.00A
LEESON 110669.00B
LEESON 110671.00C
LEESON 114155.00D
LEESON 140639.00E
LEESON 122250.00F
LEESON 119563.00G
LEESON 122248.00H
LEESON 122249.00I
Design: B , Duty: Continuous , Lubrication: Polyrex EM , Max. Ambient Temp.: 40 , Mounting: Rigid , Phase: 3 , Rotation: REV
StyleModelMotor Thermal ProtectionEnclosureFramePackagingPower FactorRPMService FactorShaft Dia.Price
A
110670.00		-TENV56CB6718001.155/8"£1,404.72
B
110669.00		-TENVC56CB6618001.155/8"£1,252.01
C
110671.00		-TENV56CB7018001.155/8"£1,643.76
D
114155.00		-TEFC56CB6518001.05/8"£1,655.14
E
140639.00		-TEFC215TCF77 / 721800 / 15001.15-£5,866.80
F
122250.00		9700K46TEFC145TCB75.61800 / 15001.157/8"£2,667.82
G
119563.00		9700K46TEFC56CB68.518001.155/8"£2,425.51
H
122248.00		9700K46-33TEFC143TCF68.518001.157/8"£2,019.29
I
122249.00		9700K46-33TEFC145TCF67.7 / 691800 / 15001.157/8"£2,688.17

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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