Spring Applied Brakes

Spring applied brakes, sometimes referred to as fail safe or safety brakes, are designed so that when electrical power is off, the brake comes on (power-off brake engagement).

They are designed to stop or hold a load when electrical power is either accidentally lost or intentionally shut off.

Power off brakes can be designed to be used as a holding brake, or dynamically where an emergency stop functionality is needed (E-stop). Servo2Go supplies a range of spring applied power off brakes. View our product selection below.

Engagement

When no current or voltage is applied to the brake, springs push against the pressure plate, squeezing the friction disk between the inner pressure plate and outer cover plate. This frictional clamping force is then transferred to the hub. Spring applied (power off) brakes are considered engaged when no power is applied to them.

Disengagement

When the brake must be released, a voltage or current is applied to the coil, creating a magnetic field. This magnetic field then pulls the pressure plate against the springs, creating an air gap between the pressure plate and the friction disk. This allows the friction disk to turn freely with the shaft.

Applications

Spring applied brakes can be used in a variety of industries and applications, including:

  • Servo motors
  • Safety critical applications
  • Elevators
  • Robotics
  • Mining
  • Medical

 

Get in touch with us today for more information!

 

 

 

 


Products

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1819-3821 by Inertia Dynamics

1819-3821

SAB Series Spring Applied Brakes, 12 VDC, in-lbs Rated Torque, w/ Lead Wires

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1819-4521 by Inertia Dynamics

1819-4521

SAB Series Spring Applied Brakes, 120 VAC, 90 in-lbs Rated Torque, w/ Lead Wires

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1819-4721 by Inertia Dynamics

1819-4721

SAB Series Spring Applied Brakes, 120 VAC, 90 in-lbs Rated Torque, w/ Lead Wires

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1821-2952 by Inertia Dynamics

1821-2952

SAB Series Spring Applied Brakes, 24 VDC, 180 in-lbs Rated Torque, w/ Screw Terminals

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1821-3852 by Inertia Dynamics

1821-3852

SAB Series Spring Applied Brakes, 12 VDC, in-lbs Rated Torque, w/ Screw Terminals

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1821-4752 by Inertia Dynamics

1821-4752

SAB Series Spring Applied Brakes, 120 VAC, 180 in-lbs Rated Torque, w/ Screw Terminals

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1821-4952 by Inertia Dynamics

1821-4952

SAB Series Spring Applied Brakes, 120 VAC, 180 in-lbs Rated Torque, w/ Screw Terminals

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1823-1652 by Inertia Dynamics

1823-1652

SAB Series Spring Applied Brakes, 90 VDC, 400 in-lbs Rated Torque, w/ Screw Terminals

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1823-1752 by Inertia Dynamics

1823-1752

SAB Series Spring Applied Brakes, 90 VDC, 400 in-lbs Rated Torque, w/ Screw Terminals

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1823-2052 by Inertia Dynamics

1823-2052

SAB Series Spring Applied Brakes, 24 VDC, 400 in-lbs Rated Torque, w/ Screw Terminals

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1823-2652 by Inertia Dynamics

1823-2652

SAB Series Spring Applied Brakes, 24 VDC, 400 in-lbs Rated Torque, w/ Screw Terminals

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1823-2952 by Inertia Dynamics

1823-2952

SAB Series Spring Applied Brakes, 24 VDC, in-lbs Rated Torque, w/ Screw Terminals

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1823-3652 by Inertia Dynamics

1823-3652

SAB Series Spring Applied Brakes, 12 VDC, in-lbs Rated Torque, w/ Screw Terminals

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1823-4052 by Inertia Dynamics

1823-4052

SAB Series Spring Applied Brakes, 120 VAC, 400 in-lbs Rated Torque, w/ Screw Terminals

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1825-2054 by Inertia Dynamics

1825-2054

SAB Series Spring Applied Brakes, 24 VDC, 1200 in-lbs Rated Torque, w/ Conduit Box

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