with an electrohydraulic thrustor and outer spring
Example of designation of the AHH brake series 300 with the drum diameter of DH=250 with the ZE 500/50. 400 V AC/50 Hz electrohydraulic thrustor, size of 364:
250-ZE 500/50.400 V AC/50 Hz-364 AHH Drum brake
in a ”K” lining wear compensation version – 250-ZE 500/50.400 V AC/50 Hz-364 AHH-K Drum brake