Din Vde 0580.pdf 〈TESTED · HANDBOOK〉

is the definitive industrial safety and performance standard regulating electromagnetic devices and components . Issued by the German Commission for Electrical, Electronic and Information Technologies ( DKE ), this standard establishes technical definitions, test protocols, and safety requirements for components with a limited mechanical stroke—such as linear solenoids, holding magnets, electromagnetic brakes, and clutches—operating with a rated supply voltage up to 1,000 V .

This defines how long a device can remain energized without overheating. Din Vde 0580.pdf