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Brake Motors

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We are offering Brake Motor that is combination of an AC induction motor and electromagnetic DC brake. DC supply is fed to the brake from a rectifier unit installed in the motor terminal box. The brake is disc type and is mounted on the motor shaft. The brake is fail proof type i.e. brake comes into action and stops the driven equipment instantly when the power to the motor is switched off or/if power fails. The supply to the rectifier is fed from any two terminals of the main terminal box.
Specification:

  • Frames 63 to 160, in
  • Versions. 2P, 4P, 6P and 8P
  • Torque (Nm) = 9550 x (KW/RPM) x Safety Factor (SF)
  • Voltage 415V +/-10%
  • Frequency 50Hz +/-5%
  • Combined variation +/-10%
  • Ambient Temp 50ºC
  • Mounting B3, B5, B14 & B35

Operation:
Under ‘OFF’ power condition brake springs keep the brake liner pressed against the mounting flange thus preventing the rotation of the motor shaft. When power is switched on, the brake coil gets energized through the rectifier unit. It instantly attracts the armature disc by overcoming the spring force. This results in releasing of the brake rotor allowing the motor to rotate. In the event of power failure/switch of mode, the brake coil gets de-energised. This results in the springs pressing the brake liner against mounting flange i.e. returning armature disc to its original position. This results in instantaneous braking of rotor. Fail safe condition is thus ensured.
Applicable Standards:
  • IS 325
  • IEC 34
  • BS 4999
  • IS 1231
  • IS 2223

Features:
  • The brake motors are simple
  • Rugged & easy for maintenance
  • No separate DC supply is required as the rectifier is provided
  • Special brake liner is used which ensures

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