7SS5220-4AB02-1BA0 SIEMENS ⍾ 7SS52204AB021BA0

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DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 RATED AUXILIARY VOLTAGE: DC 110V TO 125V in rack SIPAC region world, language English (language can be changed) without system interface service interface: DIGSI 4, electrical RS485 without supplementary function assembly for 16 bays