Johnson DC Magnetic Drum Brakes

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  • Metric as DIN standard code: DL
  • Imperial as A.I.S.E. standard code: SMAA
  • Also non-standard drum sizes and base fixings
  • Short stroke DC tractive type, all fabricated steel construction
  • Resin encapsulated coil with Class F insulation
  • Optional replaceable coil arrangement
  • 100% continuously rated up to 40ÂșC
  • Airgap dust and drip protected by neoprene qaiter
  • Terminal Box IP55 standard enclosure

 

  • Self adjusting mechanism (compensating for wear)
  • Mechanical release lever
  • Limit switches to monitor release/ set or wear
  • Hydraulic override by remote pedal
  • Special materials and finishes as required including high integrity specifications
  • Separate enclosed control units for DC or AC supplies
DIN Brake Model Data
BRAKE
MODEL
DRUM
DIA. “D”
MAGNET SIZE TORQUE
MAX.
WEIGHT
mm Nm kg
GDA100 100 DA100 32 11
GDA160 160 DA160 80 28
GDA200 200 DA200 213 46
GDA250 250 DA250 362 64
GDA315 315 DA315 565 100
GDA400 400 DA400 1487 246
GDA500 500 DA500 1900 264
GDA630 630 DA630 5885 620

 

AISE Brake Model Data
BRAKE
MODEL
DRUM
DIA. “D”
MAGNET SIZE TORQUE
MAX
WEIGHT
in Lbft Lb
SMAA4 4 DA100 24 25
SMAA6 6 DA160 59 62
SMAA8 8 DA200 157 101
SMAA10 10 DA250 267 141
SMAA13 13 DAH315 626 220
SMAA16 16 DA400 1097 542
SMAA19 19 DAH500 2620 816
SMAA23 23 DA630 4000 1367
SMAA30 30 DA710 9000 1500

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