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C60H-DC Acti 9 DC Circuit Breaker Application Guide

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This document provides technical guidance on selecting and applying C60H-DC Acti 9 circuit breakers for DC networks up to 500 V, covering rating, curve, and breaking capacity choices. It includes fault condition analysis for various earthing configurations (earthed polarity, earthed mid-point, isolated from earth) and connection diagrams for polarized circuit breakers.

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