Spring appliedApply time: Continuously adjustable 3-12 secondsHydraulically released by external release cylindersLimit switch release control, mechanical or proximity typeConnection by flange on topStatic applicationsVertical compensation ± 10 mmOperation of several rail brakes by one hydraulic power unit, including hand pump for emergency releaseStainless steel enclosures for power unit and terminal boxSpace heater, oil level and oil temperature switch for the power unitComplete piping set, if required, in stainless steel