The Permanent Magnet Brake Type PMB is a “Normally ON” type Safety Brake wherein the Braking force is generated by permanent magnets instead of a spring as a result of which it is different from a general type of spring-applied safety brake. The permanent magnet brake has the rotating element composed of a rivet-joint armature assembly of Spring plate and an Armature Plate, resultantly no backlash during braking while power is switched off and no drag toque on idling while the power is switched on.

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