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Quick Blow or Time-Delay Fuses?


light-man

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Hi everyone,

 

I'm replacing a bunch of blown fuses in some Tempus dimmers for college. I normally get them from the local electrical store, however I've decided to get them with some other disposables online from CPC which has a range of fuses. I've never noted which type the dimmers should have, which I suppose I should've done the first time!

 

Quick blow would be my natural choice, however I'm not 100% so thought it would be best to ask!

 

Cheers, Si.

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I'm assuming you have 5A sockets and that you are looking for the fuses that protect individual sockets. If so, you want 5x20mm F5A HRC (fast, high rupturing current, ceramic-bodied sand-filled) fuses. If you are referring to the LC 10A (Pullcap) fuses that protect each channel, there is only one type although I don't think CPC stock them.

 

Lucien

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In general, unless advised otherwise, dimmers should be fitted with quick blow HBC fuses.

Quick blow fuses are more liable to blow when a lamp fails, but they better protect the thyristor/triac in the dimmer.

Replacing the fuse is quicker and cheaper than repairing the dimmer.

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