Circuit breaker size selector
Breaker rating = continuous load × 1.25 (rounded up to standard size).
About this tool
Circuit breaker size selector is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
Category: Home & DIY. Browse more Home & DIY tools.