Description
INTORQ BFK458 / BFK458-L LongLife – SPRING-APPLIED ELECTROMAGNETIC BRAKES
INTORQ BFK458 and BFK458-L LongLife are spring-applied electromagnetic brakes designed for industrial applications where rapid stopping or holding a mechanism in position is required.
These brakes operate on a fail-safe principle, meaning the brake is mechanically engaged by springs when the power supply is interrupted, ensuring a high level of operational safety.
Thanks to their modular design, the INTORQ BFK458 series can be configured for a wide range of industrial applications and can be used as a holding brake, service brake, or safety brake.
The BFK458-L LongLife version is designed for extended service life and reduced wear, contributing to lower long-term operating costs.
🧩 CONFIGURATION AND COMPONENTS
INTORQ BFK458 brakes are available as spare parts or as complete assemblies consisting of the following main components:
● Coil
Type E – adjustable torque
Type N – fixed torque
● Rotor with friction lining
● Hub with keyway for mounting on the motor shaft
🔧 OPTIONAL ACCESORIES
Various accessories are available depending on the application:
● Friction plates
● Manual release system
● Mounting flanges
● Rectifiers for coil power supply
● Mounting bolt sets
📌 Required order information:
● Coil supply voltage (V DC)
● Hub bore diameter (shaft diameter)
📊 KEY FEATURES
● 9 available sizes
● LongLife version available in 4 sizes
● Standard voltages: 24, 96, 103, 170, 180, 190, 205 V DC
● Braking torque: 1.5 – 600 Nm
● Modular design for multiple applications
● Quick installation – air gap preset at the factory
● Coil insulation class F (+155°C)
● Designed for 100% duty cycle
● Low maintenance and long service life
APPLICATION AREAS
INTORQ BFK458 brakes are widely used in numerous industrial applications:
● Electric motors with brake
● Industrial conveying systems (conveyors)
● Cranes, overhead cranes, and lifting equipment
● Hoists and lifting mechanisms
● Industrial door drive systems
● Elevator and lift technology
● Escalators
● Woodworking machinery
● Machine tools and industrial equipment
● Industrial automation systems
● Industrial robots and positioning systems
● Logistics and automated warehouse systems
● Industrial vehicles and material handling equipment (e.g. forklifts)
● Printing and paper handling machinery
● Wind energy equipment (wind turbines)
● General mechanical engineering applications
⭐ MAIN ADVANTAGES
● Fail-safe operation – brake engages automatically in case of power loss
● Modular design – adaptable to various industrial applications
● Quick and easy installation – factory preset air gap
● High reliability – designed for continuous industrial operation
● Long service life – wear-resistant friction linings
● Low maintenance costs – robust construction
● LongLife version available – ideal for extended operating cycles
MANUFACTURERS AND WARRANTIES
● Manufacturer: INTORQ
● Country of manufacture: Germany
● European manufacturer of electromagnetic clutches and brakes
● Products used in the machine tool industry
● Product delivered with warranty
● Quality certificate
● Certificate of conformity
COMMON COMMERCIAL TERMS
In industrial practice, Electromagnetic Brakes INTORQ BFK458 may also be referred to as:
● overhead crane brake ● multi-disc brakes ● electromagnetic brakes ● clutch brake ● motor brake ● intorq electric brakes ● lathe brakes ● intorq brake ● spring applied brakes




