MCB Discrimination and Selectivity Explained
Why two MCBs in series often trip together on a large fault, what current discrimination actually guarantees, and when an upstream MCCB or fuse is the only fix.
10 min read
Guides and notes on industrial electrical and automation parts: selection, wiring, settings and ordering.
Why two MCBs in series often trip together on a large fault, what current discrimination actually guarantees, and when an upstream MCCB or fuse is the only fix.
10 min read
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