Details
TD3 M10 and TD3 M06 miniature circuit breakers - see image for example product and location of codes.
Risk
The manufacturer has detected "a raw material non-conformity" in certain batches of the product which could cause product failure, potentially placing users at risk.
What to do next
If you believe that you have an affected product stop using it immediately and contact Terasaki directly at mcb@terasaki.co.uk for more information and next steps.
Electrical Safety First recommends that anyone who discovers they have an electrical item that has been recalled should stop using it until it has been checked by the manufacturer.