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ABB Tmax T4 Circuit Breaker Technical Specifications and Installation Guide

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This document provides detailed technical specifications, wiring diagrams, and installation instructions for the ABB Tmax T4 series circuit breakers, including models rated up to 1000V AC/DC and 1150V AC. It covers serial connection requirements for DC applications, trip unit settings (PR221DS, TMA, TMD), torque values, and dimensional drawings for fixed and flanged versions.

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