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Electrician Talk Forum
Debate over rating of switch gear
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<blockquote data-quote="Apache" data-source="post: 167813" data-attributes="member: 828"><p>I ignored my option and chose option 2. This has to be bad design if nothing else. If the load is fixed and only 21A WTF have they fitted a 40A breaker?</p><p></p><p>We all know that a 40A breaker will let more than that through for a period of time so if that is what's protecting the 32A isolator from melting then I'm not a happy bunny.</p><p></p><p>Downgrade MCB or upgrade isolator.</p></blockquote><p></p>
[QUOTE="Apache, post: 167813, member: 828"] I ignored my option and chose option 2. This has to be bad design if nothing else. If the load is fixed and only 21A WTF have they fitted a 40A breaker? We all know that a 40A breaker will let more than that through for a period of time so if that is what's protecting the 32A isolator from melting then I'm not a happy bunny. Downgrade MCB or upgrade isolator. [/QUOTE]
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Debate over rating of switch gear
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