Techna Panel Mounting Circuit Breakers - Techna TR11C4.0, The Techna 4A miniature panel circuit breaker has been superbly designed with safety in mind and can be used with a number of appliances including single phase motors.This high quality component also features a single pole push to reset, providing reliable trip-free operation on overloads and short circuits. Additionally UL & CSA approved, these panel mounting circuit breakers from the Techna TR11 series offer superb quality, yet are available at an affordable price. Techna TR11C4.0 4A Miniature Panel Circuit Breaker