Motor Technology Inc.: Custom dc electric motor manufacturer
DC Motor & Gearmotors On-line Catalog
  2796 Culver Avenue, Dayton, OH 45429  |  Phone: 937-294-1041 E-mail: a.nabinger@motortech.com

General Specifications: Electromagnetic Brakes

PARALLEL BRAKES

Description: Brake has its own set of leads and can be operated independent of the motor.

Advantages: Can be operated independently of the motor and can thus be performance controlled very accurately. Able to stay disengaged even when the motor os operating at low torque conditions.

Disadvantages: Generally less holding/stopping torque then series brakes. Depending on the hook-up, back EMF from the motor can delay the brake engagement time after the motor power has been removed.

General information: Brakes are spring-set and fail-safe indicating they mechanically engage if power is removed. Brake leads are teflon insulated per MIL-W-1878, Type "E" with gauge dependent on voltage and current requirements. Brakes are mounted to the rear of the motor and are enclosed/protected by an aluminum cover chemicallly filmed per MIL-C-5541.

SERIES BRAKES

Description: Brakes leads are wired internally in series with the motor.

Advantages: Have potential for more stopping/holding torque than parallel brakes. Generally have quicker engagement/response times than parallel brakes once the power is removed from the motor.

Disadvantages: Cannot be operated independant of motor. Can have difficulty staying disengaged when motor is operating at low torque conditions. Not good for low voltage applications.

General Information: Brakes are spring-set and fail-safe indicating they mechanically engage if power is removed. Brakes are mounted to the rear of the motor and are enclosed/protected by an aluminum cover chemically filmed per MIL-C-5541.

HELPFUL HINT: Brake designs are based on a large number of factors that are unique to each application. (i.e.: Is a holding or stopping brake requied, how much rotational inertia is involved, etc...) Because of this, we encourage you to browse the Application Assistance page and to contact our application engineers for assistance in selecting the right brake for your application.

DC Brakemotor Catalog General Information Dimensions and Data Wiring Schematic Application Assistance Back to Motor Technology Home

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