DC brake DC brake A DC brake is a brake that is operated with direct current (DC). It is often used in electric drives to stop movements in a targeted and safe manner. Synonym(e) / Plural(e) DC brakes Related content OMB/OLB, OLK/OLG Especially for mechanical and apparatus engineering Especially for mechanical and apparatus engineering Activated by operating current (positive brake) Particularly for short switching cycles Spring-applied electromagnetic safety brakes Electromagnetic spring-applied brakes / safety brakes / fail-safe brakes Read more