ABB ACH550, ACS550 Disconnect Switch Terminal Torque Addendum

This document is a technical addendum providing critical torque specifications for disconnect switch terminals across multiple ABB drive models, including ACH550, ACS550, and ACH550-Cx series. It instructs users to apply a maximum of 7 in-lb torque to prevent screw head breakage or terminal stripping, listing specific voltage and current ratings for 230Vac, 460Vac, and 600Vac systems.