ABB TA521 1SAP180300R0001 Industrial Automation Module

Description

TheABB TA521is alithium button cell batteryused as an accessory forABB AC500 programmable logic controllers (PLCs).Its primary role is tomaintain memory and system datawhen the main power supply is interrupted.This makes it essential for applications requiringcontinuous operation, data integrity, and long-term reliability.