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SEW
  • SEW
  • SEW BMG4 Electromagnetic Spring-Loaded Brake

  • Model : BMG4-40Nm-230VAC
  • Category Specification
    Braking Torque 40 Nm
    Voltage 230V AC (50/60Hz)
    Power Consumption 45 W
    Release Time ≤ 0.03 sec
    Application Time ≤ 0.02 sec
    Insulation Class F (155°C)
    Protection Class IP65
    Ambient Temperature -20°C to +80°C
    Max Speed 4,000 rpm
    Weight 2.1 kg
    Mounting Motor flange (IEC standard)

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Details
The SEW BMG4-40Nm electromagnetic brake delivers precise holding and emergency stopping for industrial drives:

Design Features:

  • Spring-applied, electrically released
  • Maintenance-free design
  • Automatic air gap compensation
  • Asbestos-free friction lining

Performance Verification:

  • Torque tested at 40Nm ±5%
  • 50,000+ operation cycles validated
  • Dielectric strength: 1.5kV AC for 1 min

Integration Ready:

  • Direct mounting to SEW motors (e.g., DR.. series)
  • Compatible with IEC 34-7 flange sizes
  • Plug-in connector 

Safety Compliance:

  • EN 60204-1 
  • SIL 2 capable with monitoring circuit
  • Fail-safe operation

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