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Using RCBO as RCD
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ARW
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Using RCBO as RCD
On 05/05/2019 23:35,
wrote:
Running out of space in the consumer unit, and the split-load kits only allow 2 x RCDs.
It occurred to me I could use an RCBO in one of the 'high integrity' ways next to the main switch, and link the load terminal of that to a group of 3 MCBs on their own bit of busbar, instead of using another RCD. RCD and RCBO are about the same price, and I save a module as the RCBO is single width.
I'd have to conjure up another section of neutral bar too.
Any reason why not? CU is BG, and I'd like to keep 3 x 20A heater circuits off the normal RCD and on their own separate section so it's easier to put them on a contactor or timer later if desired. Total load is 9.3 kW before diversity.
I have decided that enlarging the front panel opening to take another couple of ways would be gash, especially as it's flanged. (It would work with the latest flat-fronted metal Fortress design though.)
Why not just fit 3 RCBOs?
--
Adam
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