7SS5220-6AB32-1BA0 - Siemens
DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 RATED AUXILIARY VOLTAGE: DC 48 - 250V IN SUBRACK ES902C REGION WORLD, LANGUAGE: ENGLISH (LANGUAGE CHANGEABLE) PROTOCOL IEC 60870-5-103, OPTICAL 820NM, ST-PLUG SERVICE INTERFACE: DIGSI 4, ELECTRICAL RS485 WITHOUT ADDITIONAL FUNCTION EQUIPPED FOR 16 BAYS