ABB 1MRK001608-CAr00 Central Controller Module Central Unit ✤ Model Number: 6GK1543-1AA01

✤ Model Number: 6GK1543-1AA01

It enables automatic frequency and phase matching for generators

Inputs: Isolated discrete (12/24 VDC or 18–250 VAC/DC)

and long‑term data retention with integrated battery backup

and other environmental parameters

ABB 1MRK001608-CAr00 Central Controller Module Central Unit ✤ Model Number: 6GK1543-1AA01Description The ABB 1MRK001608 CAr00 is a Central Controller Module designed as the main processing unit for ABB protection relays such as REL670, REF615, and RET670. It ensures reliable execution of protection algorithms, communication handling, and event logging in demanding substation automation environments. Specifications Product Type: Central Controller Module Processor: High speed DSP FPGA based architecture Memory: Onboard flash and RAM for