The Intorq BFK458-25E is a spring-applied brake from the BFK458 modular series, size 25, with a variable torque (Type E) design. It delivers a braking torque of up to 600 Nm, operates on DC voltages (typically 180–205 VDC), and is used in heavy-duty applications such as cranes, wind turbines, and large industrial drives.

Technical Specifications

• Series: Intorq BFK458 (spring-applied brake)
• Type: E (variable torque, adjustable)
• Size: 25
• Torque Capacity: 400–600 Nm (depending on coil voltage and setup)
• Voltage Options: 180 VDC, 205 VDC, 250 VDC
• Power Consumption: 60–70 W
• Thermal Class: F (155 °C max)
• Duty Cycle: 100% (continuous operation)
• Weight: 12–15 kg (coil + rotor assembly)
• Features:
  • Variable torque adjustment (unique to Type E)
  • Preset air gap for easy installation
  • Manual release option available
  • Long-life rotor/hub connection
  • TÜV-certified safety design
  • Compatible with Intorq rectifiers (BEG series) for AC-to-DC conversion