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Dereli Fren DYF Series Spring-Applied Brakes
Dereli Fren

DYF Series Spring-Applied Brakes

Dereli DYF series: modular spring-applied electromagnetic brakes from 3 to 2800 Nm with adjustable torque and air gap.

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Product group
Brakes

The DYF series are spring-applied electromagnetic brakes that brake when de-energised. When the coil is energised, the magnetic field pulls the pressure plate against the springs and frees the double-faced friction disc; when power is removed, the springs clamp the disc and apply the brake.

They offer 3 – 2800 Nm of torque, adjustable air gap and braking torque, IP54 – IP66 protection on request and short switching times. Mounting options without or with cooling, with a forced fan, with a manual lever, or with encoder and double brake let them be adapted to safety-critical systems such as cranes, stages and lifts.

Applications

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

Custom manufacturing options

  • Manual release lever
  • Mounting flange and double brake flange
  • Encoder flange
  • Stainless steel friction plate
  • Dust seal
  • Monitoring via proximity or micro switch
  • Forced axial fan
  • Cold climate version (CCV, down to -40 °C)

Technical specifications

Torque range
3 – 2800 Nm
Sizes
01, 02, 03, 04, 05, 06, 07, 08, 09, 09-D, 10, 10-D
Standard voltages
24 / 48 / 98 / 190 V
Protection class
IP54 – IP66 on request
Coil insulation
Class HC enamelled wire (200 °C)

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