What are the common problems with pushmatic breakers?

Pushmatic breakers, made by Bulldog and later ITE and Siemens, were installed in homes from the 1950s to 1980s and are known for several common problems that make electricians recommend replacement. The most common problem is that Pushmatic breakers have a unique push to activate design where you push the breaker to turn it on and off, and the internal mechanism can become stiff and difficult to reset, often requiring significant force to push back in after tripping, and some breakers will not stay on. Another problem is that Pushmatic breakers do not have a clear visual indication of tripping like modern breakers, making it hard to tell if they have tripped. They also lack modern safety features like thermal magnetic trip that provides better protection, and their contacts can weld together over time, causing failure to trip during overloads, creating fire hazards similar to Federal Pacific and Zinsco issues though generally less severe. Pushmatic panels also have limited breaker availability today, with original breakers no longer made and aftermarket replacements expensive and hard to find. The bus bars can corrode, and the panels are often only 100 amp capacity, insufficient for modern homes with air conditioning and EV chargers. Due to age, difficulty resetting, and lack of modern protection, most electricians recommend replacing Pushmatic panels.