Discuss Old install 100mA RCD main switch but no 30mA in the Electrical Forum area at ElectriciansForums.net

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You can get Hager double pole RCBOs - commonly used in the south of Ireland.

AD9XXJ (where XX is the current rating, e.g. AD910J for a 10A type B).
They look like you need a dual-busbar style of board as they don't have flying N. Not sure if that is common in ROI? Certainly it seems to appear in EU for the double-pole protection.

But they actually need double-pole protection (i.e. thermal-magnetic on both L & N) presumably from legacy of not having N very much tied to E.

The Wylex and Crabtree compact RCBO are both neutral-switching and Type A RCD, so they meet the requirements for selectivity with an up-front delay RCD on N-E faults, and the added isolation makes testing a bit simpler as you can flip the breaker and insulation test the final circuit N as well.

I think the recent compact Fusebox RCBO are also neutral-switching and type A, would not be surprised if they all come from the same factory...
 

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