Techna rocker switch circuit breakers techna m1l05b1b23 this techna m1 illuminated rocker switch offers a compact thermal circuit breaker in a rocker switch design with illuminationby incorporating the m1 thermal circuit breaker into your system you can provide overload protection and onoff switching using just a single component this provides significant cost savings over using a separate rocker switch and circuit breaker combination techna m1l05b1b23 illuminated rocker breaker 5a 250v