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Hi
Got a small job commercial premises where the customer wants a bank of 10 x 250w Infa Red lamps mounting in series, the premises is supplied by 3P+N and has a new crabtree 3phase board with plenty of spare ways.The lamps are E27 Es type, what's your thoughts on switching arrangement?

Thanks
 

Taylortwocities

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Arms
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Advent Win
In series? Really?

I guess these are for overhead, space heating?
I would split the load between two separate 16amp radials and further split the load so you can have just a few heaters on if you need to.
So, perhaps two banks of five heaters
Switching arranged so switch 1 if on heaters 1, 3 and 5
Switch 2 on heater 2 and 4

etc.

EDIT Jeremy, snap! Must type faster........
 
  • Thread Starter Thread Starter
  • #4
Thanks that's sounds like a plan you're correct in your assumption they're an overhead heating system for a concrete testing factory. Cheers
 
P

Paullestrange

Yes split the load,but try to keep your Lines balanced,perhaps 3 3 4 .
 
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