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Dereli Fren DF Series Spring-Applied Brakes
Dereli Fren

DF Series Spring-Applied Brakes

Dereli DF series: enclosed, low-noise spring-applied electromagnetic brakes from 5 to 3300 Nm with adjustable torque.

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Product group
Brakes

The DF series are Dereli's enclosed spring-applied electromagnetic brakes. They brake when de-energised; when the coil is energised, the pressure plate is pulled against the springs and the friction disc is released. The closed housing protects the brake from external influences.

Available from size 05 up to 1600-D and covering 5 – 3300 Nm, the series features adjustable braking torque, IP54 – IP66 protection on request, an operating noise below 70 dB and an optional noise reducer that brings it below 45 dB.

Applications

  • Defence industry
  • Crane systems
  • Entertainment and stage systems
  • Automation systems
  • Belt conveyor systems
  • Wind generators
  • Food machinery
  • Textile machinery

Custom manufacturing options

  • Noise reducer
  • Cold climate version (CCV, down to -40 °C)
  • Manual release lever
  • Mounting flange and encoder flange
  • Forced axial fan

Technical specifications

Torque range
5 – 3300 Nm
Sizes
05, 10, 25, 40, 50, 100, 200, 300, 400, 500, 800, 1600, 1600-D
Standard voltages
24 / 48 / 98 / 190 V
Protection class
IP54 – IP66 on request
Operating noise
< 70 dB (< 45 dB with noise reducer)

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