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Pragati  ENTERPRISE    Power Transmission In Electromagnet

Manufactures all type of Industrial Electromagnetic Clutches Brakes and Clutch-Brakes Combination


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Electromagnetic Flange Mounted Brake
Type - PFB (Normally Off)

Torque : 1 Nm-2550 Nm

Flange Mounted Brake (Normally Off)


Textile Machines, Printing Machines, Machine Tools, Pick & Place Robots, Plastic Machinery, Conveyors, Laundry Machines, Brake Motors, Paper Machines, Bottle Washing Machines, Wire Drawing Machines, Coil Winding Machines, Packaging Machines... etc.


1. Stator
2. Coil
3. Friction Lining
4. Armature Plate
5. Leaf Spring
6. Flanged Hub




These type of brakes are normally-off type and operates on power. When power is given to the stator (coil), the armature is attracted towards the asbestos free friction liner of the brake stator which clamps the rotating component stop at once.

On switching off the electric power, the unique prestressed spring pulls the armature plate back into its original position and brake positively released with no residual torque.


Normally off type clutches operate on D.C. voltage, hence A.C. to D.C. conversion is done by means of a suitable rectifier.

Switching of the brake can be on either side. However, once application demands, higher switching frequency / faster engagement and disengagement time, switching must be carried out on D.C. side. To restrict the high inductive voltage / back EMF a suitable supressor and capacitor network is provided across the contactor coil.

Click Here to view Dimensions - PFC Series



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