ABB SACE Tmax XT7 Anti-Racking-In Lock Installation Instructions

This document provides installation instructions and torque specifications for the anti-racking-in lock (blocco antintroduzione) used on ABB SACE Tmax XT7 and XT7M circuit breakers. It includes a parts diagram with fixed and moving components, screw sizes (M4x6, M4x8), and tightening torques (1.5 Nm / 13.3 lb in, 2 Nm / 17.7 lb in) for various current ratings (800 A to 1600 A).