Device and method for operating an electromagnetic rail brake, electromagnetic rail brake and rail vehicle

A device configured to operate an electromagnetic rail brake of a rail vehicle, the rail vehicle comprising:

• the electromagnetic rail brake;
• and
• an additional brake device,
• the electromagnetic rail brake including:
• a brake magnet and a two stage suspension including a spring device configured to provide a spring force configured to counteract a weight force of the brake magnet, and
• a hydraulic device configured to move the brake magnet into a high position corresponding to a high suspension using an actuation pressure,
• the device including:
• a tank configured to store a hydraulic fluid or an interface to the tank,
• a pressure accumulator or an interface to the pressure accumulator,
• a pump device configured to the feed the hydraulic fluid from the tank to the pressure accumulator in order to load the pressure accumulator with a pressure
• a brake connection that is coupled or couplable with the pressure accumulator in order to provide a brake pressure for the additional brake device of the rail vehicle, and
• a suspension connection to the hydraulic device of the two stage suspension, wherein the suspension connection is coupled or couplable with the pressure accumulator to provide the actuation pressure to the hydraulic device.