Hornby 0 Gauge Circuit Breaker to work between the Transformers and the 3-rail track – Boxed

Hornby 0 Gauge Circuit Breaker to work between the Transformers and the 3-rail track – Boxed – Standard 20 volt circuit breaker to work between the transformer and the 3 – rail track suitable for 20 volt operation. Overall Excellent in Good to Excellent box – Pictures to follow. – PLEASE NOTE – THESE HAVE NOT BEEN ELECTRICALLY TESTED AND SHOULD BE BEFORE USING THEM