whjohnson:
3 pole switch required in order to isolate the fan/SELV transformer etc.
But if, as stated by perspicacious, the fuse covers both the permanent live and switched live then a three-pole switch is not necessary; a switched double-pole FCU would suffice.
whjohnson:
3 pole switch required in order to isolate the fan/SELV transformer etc.
But if, as stated by perspicacious, the fuse covers both the permanent live and switched live then a three-pole switch is not necessary; a switched double-pole FCU would suffice.
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