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Electric brake motors

M.G.M. Motori Elettrici brake motors are designed and assembled as real electric brake motors: the perfect engineering and assembling combined with a strong and safe brake, make these motors very reliable.

BA-BAX Series

The most popular brake motor with AC brake, with fast intervention times and high braking capacities. Also available in the version with DC brake.

  • IEC Metric Motors from 71 to 315 frame size
  • Totally Enclosed Fan Cooled (TEFC)
  • Power range from 0,04 up to 132 kW. Single speed 2,4,6,8 pole o double speed 2/4,4/8, 2/8,2/6,2/12,4/6,4/12,4/16 pole
  • BAX series includes single speed brake motors for continuous duty and IE2 / IE3 efficiency class (regulation EU 2019/1781). Alternatively the BA series can be made in the ‘Enhanced Power’ version for intermittent duty only
  • IP 54 enclosure (IP55 on request)
  • F class insulation
  • AC or and DC Brake
  • Very high and adjustable brake torque
  • Heavy Duty Cycle
  • Low Maintenance
  • Aluminum frame up to 132 frame size, cast iron frame from 160 to 315 frame size
  • Cast iron flanges starting from 100 frame size
  • Motors with NEMA dimensioned shafts and flanges available on request
  • The brake moving element and the brake coil have a laminated magnetic nucleus to reduce losses and to allow very fast brake
  • The cooling fan is fitted between the motor and the braking assembly
  • Manual brake release screw
  • Hex hole on nondrive shaft end for manual rotation (on request starting from 160 frame size)
  • cCSAus mark and compliance to efficiency rule EISA (CC051A) and NRC (on request)
  • CCC mark and compliance to Chinese efficency rule and China Energy Label (on request)
  • BIS certification – ISI mark (on request)
  • EAC mark (on request)
  • NOM mark (on request)

BA-BAX series main features are a very quick braking action, both in realeasing and braking operation, a high brake torque, a constant braking time and a very high number of start/stop cycles also under severe applications.

Watch the video category for doubts: the maintenance of BA-BAX series brake motors.

BM-BMX SERIES

  • Compact and silent brake motors with DC brake.
  • IEC Metric Motors from 56 to 225 mm
  • Totally Enclosed Fan Cooled (TEFC)
  • Power range from 0,04 up to 132 kW. Single speed 2,4,6,8 pole o double speed 2/4,4/8, 2/8,2/6,2/12,4/6,4/12,4/16 pole
  • BMX series includes single speed brake motors for continuous duty and IE2 / IE3 efficiency class (regulation EU 2019/1781). Alternatively the BM series can be made in the ‘Enhanced Power’ version for intermittent duty only.
  • IP 54 enclosure (IP55 on request)
  • F class insulation
  • DC Brake
  • The cooling fan is fitted at non-drive shaft end
  • Low noise brake
  • Low Maintenance
  • Aluminum frame up to 132 frame size, cast iron frame from 160 to 225 frame size
  • Cast iron flanges starting from 100 frame size
  • Motors with NEMA dimensioned shafts and flanges available on request
  • cCSAus mark and compliance to efficiency rule EISA (CC051A) and NRC (on request)
  • CCC mark and compliance to Chinese efficency rule and China Energy Label (on request)
  • BIS certification – ISI mark (on request)
  • EAC mark (on request)

BM-BMX series main features are a low braking noise, a gradual acceleration during the motor start and stop and reduced overall dimensions.


BAH-BAHX SERIES

BAH-BAHX SERIES
BAHS SERIE

BA electric brake motors are supplied as standard as BAH series starting from the frame size 225 up to 315 mm and on request starting from the frame size 80 up to 200. BAH series brake motors are proposed in the BAHX version for continuous duty with efficiency class IE2 / IE3 (compliant with EU regulation 2019/1781), alternatively they can be supplied in the BAH ‘Enhanced Power’ version only for intermittent service (S3 60%).

The BAH series brake motors have the same characteristics of the BA-BAX serie-motors. The difference essentially consists in the casing of the brake assembly designed to give greater strenght and protection against the entry of dust and liquids (IP degree). The BAH serie-motors are supplied as standard with IP55 protection degree and, on request, with IP56-65-66 protection degree.

Starting from frame size 160 casing, shields, flanges, brake friction surface and the brake protective cover are made of cast iron in order to provide a greater mechanical strenght and to be suitable for harsh environment (i.e. marine application). Upon request, starting from frame size 225, the motor body can be made of ductile cast iron. Starting from frame size 160 shafts are made of 39NiCrMo3 steel.

The standard brake release is the locking type (on request it’s possible to have the unlocking one). The locking type brake release is realized by means of 1 central screw for sizes 80÷112, 2 side screws for sizes 132÷315.

The BAH series motors are also available in the BAHS execution without cooloing fan.

BMBM SERIEs 

BMBM series includes three-phase asynchronous brake motors with twin DC brakes working independently of each other, starting from 63 up to 315 frame sizes and power range from 0.08 kW up to 132 kW. BMBM series motors are designed for intermittent duty S3 25% (see technical data). BMBMX series electric brake motors for intermittent duty S3 40% are also available.

BMBM series main feature is a very high reliability in those lifting applications where there are high demands of safety and silence. For these reasons BMBM series motors are particularly suitable to be used in TV-cine studios and theatre stages. The motor brakes in case of power supply failure. The braking action is always secured through a very quick and precise stop assuring a safe and a prompt stop in case of unintentional power supply failure. The brake torque remains the same in both directions of rotation and the braking action occurs without shaft axial sliding. The brake components and assembly are designed with special features to be noiseless during stops.

The manual brake release is made up of two levers (one for each brake) so to avoid unwanted starts.

It’s possible to release the brakes just using one hand. The two brakes are supplied through independent rectifiers which are positioned in the terminal box.

ELECTRIC BRAKE MOTORS OPTIONS

The following options are available upon request on electric brake motors BA-BAX, BM-BMX, BAH-BAHX, BMBM series:

  • Special shaft dimensions (DE-side) or double extended shaft (NDE-side)
  • Encoder
  • Anti-condensation heaters on the motors and/or on brake coils
  • Thermistors (PTC) or Bi-Metallic (PTO) thermal protectors
  • Forced cooling
  • Brake release microswitch or inductive sensor
  • Inductive sensor or microswitch detector of the brake disc wear

Discover the connection schemes for all the brake motors proposed by M.G.M. Motori Elettrici.