ABB identifies 3BSC760015R1 as the SB522V1 NIMH 12, 4Ah battery unit used in AC400 systems. The battery is charged and discharged through the approved charger arrangement and incorporates a 3.4 A internal fuse. Spare units in storage require periodic charging with the specified SB518 charger according to the manufacturer’s maintenance guidance.
Important Notice: Confirm the complete SB522V1 3BSC760015R1 marking, AC400 host, SB510 or SB511 fit and approved charger arrangement before replacement.
The first document organizes exact-model technical evidence; the second provides a separate evidence-led installation and commissioning workflow.