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!

Items 1-28 of 215

Set Descending Direction
  1. 1701-1221 by Inertia Dynamics
    1701-1221

    FSB Series Spring Applied Brakes, 90 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  2. 1701-1321 by Inertia Dynamics
    1701-1321

    FSB Series Spring Applied Brakes, 90 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  3. 1701-2121 by Inertia Dynamics
    1701-2121

    FSB Series Spring Applied Brakes, 24 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  4. 1701-2221 by Inertia Dynamics
    1701-2221

    FSB Series Spring Applied Brakes, 24 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  5. 1701-2321 by Inertia Dynamics
    1701-2321

    FSB Series Spring Applied Brakes, 24 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  6. 1701-3221 by Inertia Dynamics
    1701-3221

    FSB Series Spring Applied Brakes, 12 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  7. 1701-3321 by Inertia Dynamics
    1701-3321

    FSB Series Spring Applied Brakes, 12 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  8. 1701-4221 by Inertia Dynamics
    1701-4221

    FSB Series Spring Applied Brakes, VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  9. 1701-5121 by Inertia Dynamics
    1701-5121

    FSB Series Spring Applied Brakes, 48 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  10. 1701-6221 by Inertia Dynamics
    1701-6221

    FSB Series Spring Applied Brakes, 220 VAC, 1 in-lbs Rated Torque, w/ Lead Wires

  11. 1701-8321 by Inertia Dynamics
    1701-8321

    FSB Series Spring Applied Brakes, 28 VDC, 1 in-lbs Rated Torque, w/ Lead Wires

  12. 1702-1321 by Inertia Dynamics
    1702-1321

    FSB Series Spring Applied Brakes, 90 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  13. 1702-1421 by Inertia Dynamics
    1702-1421

    FSB Series Spring Applied Brakes, 90 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  14. 1702-2221 by Inertia Dynamics
    1702-2221

    FSB Series Spring Applied Brakes, 24 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  15. 1702-2321 by Inertia Dynamics
    1702-2321

    FSB Series Spring Applied Brakes, 24 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  16. 1702-2421 by Inertia Dynamics
    1702-2421

    FSB Series Spring Applied Brakes, 24 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  17. 1702-2521 by Inertia Dynamics
    1702-2521

    FSB Series Spring Applied Brakes, 24 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  18. 1702-3221 by Inertia Dynamics
    1702-3221

    FSB Series Spring Applied Brakes, 12 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  19. 1702-3321 by Inertia Dynamics
    1702-3321

    FSB Series Spring Applied Brakes, 12 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  20. 1702-3421 by Inertia Dynamics
    1702-3421

    FSB Series Spring Applied Brakes, 12 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  21. 1702-4221 by Inertia Dynamics
    1702-4221

    FSB Series Spring Applied Brakes, 120 VAC, 3 in-lbs Rated Torque, w/ Lead Wires

  22. 1702-4321 by Inertia Dynamics
    1702-4321

    FSB Series Spring Applied Brakes, 120 VAC, 3 in-lbs Rated Torque, w/ Lead Wires

  23. 1702-4421 by Inertia Dynamics
    1702-4421

    FSB Series Spring Applied Brakes, 120 VAC, 3 in-lbs Rated Torque, w/ Lead Wires

  24. 1702-4521 by Inertia Dynamics
    1702-4521

    FSB Series Spring Applied Brakes, 120 VAC, 3 in-lbs Rated Torque, w/ Lead Wires

  25. 1702-5321 by Inertia Dynamics
    1702-5321

    FSB Series Spring Applied Brakes, 48 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

  26. 1702-6321 by Inertia Dynamics
    1702-6321

    FSB Series Spring Applied Brakes, 220 VAC, 3 in-lbs Rated Torque, w/ Lead Wires

  27. 1702-6521 by Inertia Dynamics
    1702-6521

    FSB Series Spring Applied Brakes, 220 VAC, 3 in-lbs Rated Torque, w/ Lead Wires

  28. 1702-8321 by Inertia Dynamics
    1702-8321

    FSB Series Spring Applied Brakes, 28 VDC, 3 in-lbs Rated Torque, w/ Lead Wires

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