Spring-applied brake - 100% reliability

Compact and fast installation

Spring-Applied Brake BFK457 – reliable, compact, ready for use

Looking for a fail-safe spring-applied brake that reliably delivers the required basic functions and can be put into operation quickly and easily? 

The BFK457 is the perfect fit. Designed as both a service brake and holding brake with emergency stop function, it ensures maximum safety with minimal installation effort.

Thanks to integrated mounting screws and a preset air gap, the BFK457 allows for fast, cost-effective installation without any adjustment work. Its compact one-piece design saves valuable installation space, making it an ideal solution for applications where efficiency and simplicity are key.

The BFK457 is available as a standard version with very low variance, while still enabling targeted adaptations for project-specific solutions.
With CE marking and CSA certification, the BFK457 is approved for worldwide use in all relevant markets.

The BFK457 is ideally suited for automated guided vehicles (AGVs), industrial trucks, wind turbines and a wide range of industrial automation applications. Its compact design, maintenance-free operation as a holding brake and high functional reliability make it a dependable choice wherever safe holding and emergency stopping functions are required in limited installation spaces.

Features at a glance

Kendrion INTORQ BFK457 basic spring-applied brake for automated guided vehicles and elevator technology

INTORQ BFK457 Basic

- 6 Sizes

- Replacable rotor

- Mounted hand release (Option)

- Designed for 100% duty cycle

- Available as noise reduced double-brake <50dB(A)

Kendrion INTORQ BFK457 compact spring-applied brake for automated guided vehicles and elevator technology

INTORQ BFK457 Compact

- 6 Sizes

- Compact design with rotor and flange

- Completely mounted

- Preset air gap

- Integrated fastening screws for quick and easy installation

- Designed for 100% duty cycle

Kendrion INTORQ BFK457 double spring-applied brake for automated guided vehicles and elevator technology

INTORQ BFK457 Double-brake

- 6 sizes

- Preset air gap

- Noise suppression < 50 dB(A)

- With hand release

- Flange (Option)

- Friction plate (Option)

Technical Details

Version INTORQ BFK457 Basic INTORQ BFK457 Compact INTORQ BFK457 Double
Braking torque range 4 Nm to 80 Nm 4 Nm to 125 Nm 2x4 Nm to 2x125 Nm
Voltages sizes 24 V to 205 V 24 V to 205 V 24 V to 205 V
Insulation class F (155°C) F (155°C) F (155°C)
Protection class IP00 – IP55 IP00 – IP55 IP00 – IP55

Downloads

Video - Spring-applied brake INTORQ BFK457

In this video, the characteristics of the spring-applied brake Intorq BFK457 will be highlighted and how the brake can be typically integrated will be presented. Segments will be shown that can apply this product.
Industrial Brakes
Sales Team Kendrion INTORQ Aerzen

Visit us on our fairs!

Meet us at LogiMAT 2026-
Kendrion offers a comprehensive portfolio of future-proof solutions for efficient and smooth material flow in logistics:

- Swing drives for continuous material flow
- Safety solutions for shuttle systems and cobots
- Electromagnetic pallet stoppers
- High-performance brakes for industrial trucks
- State-of-the-art control technology for logistics

Visit us and experience our braking, holding and control solutions live in operation in the cobot.
Hall: 1, Booth: Gallery, Booth 1GA35.
Messepiazza 1
70629 Stuttgart
Germany
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