ABB 1MRK001608-CAr00 Central Controller Module Central Unit Robust Communication: Built-in Ethernet router

Robust Communication: Built-in Ethernet router and support for multiple protocols

and long‑term data retention with integrated battery backup

Mounting and Installation

Load Leakage: 2 mA max

High-quality power supply board

ABB 1MRK001608-CAr00 Central Controller Module Central Unit Robust Communication: Built-in Ethernet routerDescription 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