My apartment failed it's EICR due to the electrician not being able to trip the RCD in the required time. I am told that the RCD cannot be replaced and a new metal consumer unit must be installed at a quote of £1180. The apartment was built in 2003 and seems overly wasteful to ditch the whole unit, however I am not an electrician so would welcome some guidance please before I commit to this remedial action.
This is the RCD currently fitted:
5760S | MK 63 A RCD Switch, Trip Sensitivity 30mA | RS Components (rs-online.com)
It appears it worked within spec for above 30mA, but failed for below, if that helps with whether the whole consumer unit must be replaced. See report.
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