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ABB Drives UL 61800-5-1 Branch Circuit Protection Guide

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This document explains how ABB drives now comply with the new UL 61800-5-1 standard, which replaces UL 508C and harmonizes U.S. and European requirements. It highlights expanded fuse options (Class T, J, CC, CF, and time-delay), circuit breaker-only protection, and manual motor protectors for improved availability, pricing, and safety.

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