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SMB

 

Products > Discontinued Items > SMB
SMB

DC Injection Brakes

Dynamic Brakes
for AC Motors 4-315KW, 220-690V

 

 

Solid State Motor Brakes provide fast, smooth, frictionless braking of

squirrel cage motorsby injecting controlled DC current into the motor

windings, after mains contactor open.

This induces a stationary magnetic field which exerts a braking torque

on the rotor.

 

The SMB is the ultimate replacement for the old electrical braking

systems such as Reversing (which may result in reversing the

rotation of the motor) or Regenerative braking

(which requires resistors to absorb the energy).

 

The SMB can be used with mechanical brakes to softly bring the motor speed to zero before
operating a mechanical brake.


Advantages at a Glance

* Reduced stopping time - To increase production rate in machine tools and high inertia loads
* Reduced stopping time - To increase safety in hazardous machines
* Soft, smooth stopping, preventing wear and tear of mechanical parts
* Adjustable braking torque, matching load size and required stop time
* Auto stop, reducing motor heating
* Maintenance free, highly reliable operation
* Easy installation in electrical switchgear


Typical Applications

* Machine tools
* Circular saws
* Fast stopping of high inertia loads
* Safety brakes
* Large flywheel applications
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