Thank you for your replies.
Having done some for investigation it would appear that the MCB in question is included within the product recall from 09/10. It is a NSB06 and there is some browning on the side of the MCB where it has overheated.
I have tried Electrium's products recall number...
Hi,
Newbie looking for some advice, not sure if I am using the right terminology so please bare with me.
The circuit breaker controlling our lights appears to be broken but I want to check my rationale before I get an electrician out to help.
The circuit has flipped to the off position...