Techna panel mounting circuit breakers with 025in quick connect tabs techna t1604 the techna 4a panel mount circuit breaker with quick connect tabs is a single pole manual reset circuit breakersthese high quality component has been manufactured using only the finest materials and come supplied with legend plate and nut for panel fixing on top of that the techna circuit breaker is fitted with standard 635 x 08mm faston terminals while a splash proof cover is also available additionally