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Industrial Brakes

Industrial brakes stop, hold, or control the motion of a rotating load using electromagnetic, spring, magnetic particle, or permanent-magnet operating principles. The correct brake type is determined by whether the brake must engage when power is lost, how much torque is required, the shaft configuration, duty cycle, and whether the application needs dynamic stopping or static holding at zero RPM.

Electromate supplies industrial brakes from Inertia Dynamics and Ogura Clutch — two complementary lines that together cover precision servo motor braking, fail-safe holding, tension control, and high-cycle industrial automation. All Inertia Dynamics brakes are UL recognized to both U.S. and Canadian safety requirements. Ogura brakes are available in electromagnetic, spring-applied, permanent-magnet, magnetic particle, and hysteresis configurations.

Industrial Brakes by Type:

Power-Off Brakes (Spring-Applied)

Power-off brakes engage when electrical power is removed. Internal springs apply clamping force to stop or hold the load. When voltage is applied, the electromagnetic coil pulls the armature against the springs and releases the brake. This fail-safe behavior makes power-off brakes the standard choice for vertical axes, servo motor holding, emergency stop functions, and any application where a loss of power must result in a held or stopped load.

Available series:

Power-On Electromagnetic Brakes

Power-on brakes engage when voltage is applied. The electromagnetic field pulls the armature into contact with the rotor, generating braking torque. When power is removed, the brake releases. These are used where braking is needed only during active machine operation — not as a fail-safe holding device. Common applications include tensioning systems, dynamic stopping in horizontal axes, and clutch/brake packages where the brake is one half of a coupled assembly.

Available series:

Permanent-Magnet Brakes

Permanent-magnet brakes use a fixed magnetic field to apply braking torque without requiring continuous electrical power. To release the brake, a DC voltage is applied to oppose the permanent magnet field. These are suited for applications requiring a default braked state with low power consumption — including printers, ATMs, ticket kiosks, and light positioning equipment. Smaller units provide drag-style resistance; larger units are used for smooth tension control on film, foil, and wire.

Available series:

Magnetic Particle Brakes

Magnetic particle brakes use a powder of magnetically susceptible particles suspended between the rotor and stator. When current is applied, the particles form chains that transmit torque proportionally to the applied current. Because torque is nearly linear to current, these brakes provide precise, adjustable tension control without requiring feedback from the driven system. Used in web handling, winding, wire drawing, and test stand applications where consistent controlled slip is the requirement.

Available series:

Hysteresis Brakes

Hysteresis brakes generate braking torque through the magnetic hysteresis of a steel rotor — no contact surfaces, no wear. Torque is smooth, consistent, and adjustable across a wide range by varying the coil current. Because there are no friction surfaces, hysteresis brakes have extremely long service life and are well suited for motor test stands, robotic load simulation, and applications where torque must be applied without mechanical wear affecting repeatability.

Available series:

  • Ogura HB

Industrial Brake Products for Purchase & Quote:

Flange Mounted Spring Applied Brakes

Type FSB

Inertia Dynamics type FSB brakes are designed to decelerate or hold inertial loads when the voltage is turned off.

These brakes can be mounted to a bulkhead or motor.

Brake-Only Module (Power-Off) w/ Output Shaft C-Face

Type MPC

A power-off brake module with an output shaft. The unit mounts on a C-Face motor and the output can be coupled to a C-Face gear reducer. Ideal for creating brake motor packages on smaller servo and stepper frame motors.

Shaft Mounted Clutches/Power-On Brakes

Type SLB and SOB

Shaft-mounted Clutch/Power-On Brake package used to couple two parallel or in line shafts.  The Clutch/Brake package combines the features of the model SL or SO with an FB into one unit for easy installation.  

The clutch armature hub accommodates a pulley/gear/sprocket/etc. to transmit torque to the second shaft. The brake is used to stop or hold the load. The Clutch/Brake package is shaft mounted and retained by a loose-fitting pin or bracket through the anti-rotation tab.

Manual Release, Spring Applied Brakes

Type FSBR

A type FSBR015 spring applied brake with a manual release lever. Incorporates a lever which is rotated to mechanically engage the clapper plate.

The clapper plate acts against the compression springs and allows the armature disc to spin freely. The brake is now free of torque.

An optional microswitch is activated on the field assembly to disconnect power to your system in case of an accidental start-up with the brake manually released. 

Reverse Mounted Spring Applied Brakes

Type FSBR

Designed for applications requiring minimum space (short axial length) or on motors with short shaft extensions. When mounted, the armature hub is installed on the shaft first, then the brake is installed over the hub and attached to the motor.

Flange Mounted Brakes

Type FB

FB series power-on brakes are used to stop or hold a load that is coupled to the armature hub assembly.  The armature hub is attached to the load shaft.  The field assembly is mounted to a bulkhead that is perpendicular to the shaft.

Spring Applied Brakes

Type SAB

Designed to be engaged and disengaged in a static condition at zero RPM. Best used as a parking brake to hold a load in position.  Can be mounted to a flange or motor using thru-holes or tapped holes in the field cup.  A conduit box is optional.  SAB brakes have been used extensively for servo brake applications.  High temperature coil insulations are available upon request.

Power-Off Brakes

C-Face

Inertia Dynamics' Single C-Face Power-Off Brakes are designed to decelerate or hold inertia loads when the power is turned off.

The single C-Face mounts on the fan or non-driven end of a motor.

Brakes are available from 3 lb.-ft. to 15 lb.-ft.

Power-Off Brakes w/ Heavy-Duty Enclosures

C-Face

Our Single C-Face Power-Off Brake is also available with cast iron housing for applications involving corrosive environments. The heavy-duty housing also includes o-ring seals to create a dust-tight brake. Brakes are available from 3 lb.-ft. to 15 lb.-ft.

Power-Off Brakes

Double C-Face

The Double C-Face Brake is designed for use as a coupler between standard C-Face motors and C-Face gear reducers.

An optional foot mount kit is also available with this unit.

View as List Grid

Items 1-15 of 310

Set Descending Direction
1109-2111 by Inertia Dynamics

1109-2111

FB Series Electromagnetic Brakes, 24 VDC, 2.5 in-lbs Rated Torque, w/ Lead Wires

CA$629.00
View Details
1109-2211 by Inertia Dynamics

1109-2211

FB Series Electromagnetic Brakes, 24 VDC, 2.5 in-lbs Rated Torque, w/ Lead Wires

CA$629.00
View Details
1109-2311 by Inertia Dynamics

1109-2311

FB Series Electromagnetic Brakes, 24 VDC, 2.5 in-lbs Rated Torque, w/ Lead Wires

CA$629.00
View Details
1109-3311 by Inertia Dynamics

1109-3311

FB Series Electromagnetic Brakes, 12 VDC, 2.5 in-lbs Rated Torque, w/ Lead Wires

CA$629.00
View Details
1110-1211 by Inertia Dynamics

1110-1211

FB Series Electromagnetic Brakes, 90 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-1311 by Inertia Dynamics

1110-1311

FB Series Electromagnetic Brakes, 90 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-1411 by Inertia Dynamics

1110-1411

FB Series Electromagnetic Brakes, 90 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-2211 by Inertia Dynamics

1110-2211

FB Series Electromagnetic Brakes, 24 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-2311 by Inertia Dynamics

1110-2311

FB Series Electromagnetic Brakes, 24 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$325.60
View Details
1110-2411 by Inertia Dynamics

1110-2411

FB Series Electromagnetic Brakes, 24 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-3211 by Inertia Dynamics

1110-3211

FB Series Electromagnetic Brakes, 12 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-3311 by Inertia Dynamics

1110-3311

FB Series Electromagnetic Brakes, 12 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-3411 by Inertia Dynamics

1110-3411

FB Series Electromagnetic Brakes, 12 VDC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1110-4411 by Inertia Dynamics

1110-4411

FB Series Electromagnetic Brakes, 120 VAC, 6 in-lbs Rated Torque, w/ Lead Wires

CA$321.16
View Details
1111-2311 by Inertia Dynamics

1111-2311

FB Series Electromagnetic Brakes, 24 VDC, 10 in-lbs Rated Torque, w/ Lead Wires

CA$435.12
View Details
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Availability
  1. For Purchase 297items
  2. For Quote 27items
Manufacturer
  1. Inertia Dynamics 296items
  2. Ogura Clutch 14items
Engagement
  1. Electromagnetic 88items
  2. Spring Applied 217items
Product Series
  1. FB 75items
  2. FSB 92items
  3. FSBR 61items
  4. MPC 30items
  5. SAB 32items
  6. SOB 6items
Mounting
  1. Flange Mounted 199items
  2. Motor Mounted 62items
  3. Reverse Mounted 61items
  4. Shaft Mounted 6items

Comparison Table

Brake Type Engages When Fail-Safe Torque Control Typical Application
Power-Off (Spring-Applied) Power removed Yes Fixed Servo motor holding, vertical axes, E-stop
Power-On Electromagnetic Power applied No Fixed Dynamic stopping, horizontal axes, clutch/brake packages
Permanent-Magnet Default (no power) Yes Fixed Light positioning, printers, ATMs, tension drag
Magnetic Particle Current applied No Proportional to current Web tension, winding, wire drawing
Hysteresis Current applied No Proportional to current Motor test stands, robotic load simulation

Industrial Brakes - Frequently Asked Questions

What is the difference between a power-on and power-off brake?

A power-off brake engages when electrical power is removed, making it fail-safe for vertical axes and emergency stop applications. A power-on brake engages only when voltage is applied and releases when power is removed. Power-off brakes are the standard choice for servo motor holding and safety-critical axes.

What is a spring-applied brake?

A spring-applied brake uses internal compression springs to apply braking force when power is off. When voltage is applied to the coil, the electromagnetic field compresses the springs and releases the brake. Spring-applied brakes are a subset of power-off brakes and are commonly used on servo and stepper motors, robotics, and vertical load holding applications.

How do you select the right industrial brake?

Brake selection depends on five primary factors: required torque, shaft size and configuration, engagement behavior (power-on vs power-off), duty cycle, and whether the application requires dynamic stopping or static holding at zero RPM. For tension control or adjustable torque applications, magnetic particle or hysteresis brakes are the appropriate type.

Are Inertia Dynamics brakes UL recognized?

Yes. All standard Inertia Dynamics brakes and spring-applied brakes are UL recognized to both U.S. and Canadian safety requirements.

What brake types are available from Ogura Clutch?

Ogura Clutch brakes available through Electromate include spring-applied electromagnetic brakes (SNB series), permanent-magnet brakes (PMB, PHT, OPL series), magnetic particle brakes (OPB-N series), hysteresis brakes (HB series), and single and multiple-disc electromagnetic brakes (AMB, VB, MSB, MWB series).

What is a magnetic particle brake used for?

Magnetic particle brakes are used where precise, adjustable torque control is required during slip — typically in web tension control, wire drawing, film winding, and foil processing. Torque output is nearly linear to applied current, allowing simple open-loop tension control without shaft speed feedback.

Canadian Office

6221 Highway 7, Unit #15 
Vaughan, Ontario L4H 0K8 Canada  
P | 877.737.8698 • F | 877.737.8699

USA Office

dba Servo2Go.com® Ltd. 
4023 Kennett-Pike Suite #583 
Greenville, DE 19807 USA
P | 877.378.0240  • F | 877.378.0249

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