Spring applied brake NFF
Braking torque range 20-10,000 Nm (higher on request)
Degree of protection up to IP 66
All components with special surface protection
Type approval: GL
Simple mounting, no brake disassembly required
Robust, reliable design with low inertia
Braking does not generate any additional axial or radial forces.
Excellent heat dissipation
Wide range of options like braking torque adjustment, manual release, tachmeter mounting, terminal box, anticondensation heater, microswitches for switching stage and/or wear indication
Rectifiers and powerful circuit modules optimise switching comfort.
Function and application
The NFF brake is a spring actuated, electromagnetic dual area brake that brakes and vents electromagnetically in the unpowered state. The NFF brake type with its high degree of protection fulfils the highest requirements for durability and robustness.
Applications: on wharf and marine cranes, in container transportation plant, for crane traversing, hoisting, and trolley traversing drives in salty atmospheres and similar harsh environments.
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