The answer to 'surge protection gets hot' is that a surge protector or power strip getting hot is often a sign of an electrical issue that requires professional attention. Surge protectors can get hot for a few common reasons: overloading, faulty internal components, or a problem with the electrical wiring in your home.
If your surge protector is getting hot to the touch, it's best to unplug it immediately and stop using it. Continuing to use a hot surge protector could lead to a fire hazard. In most cases, you'll need to replace the surge protector with a new one. Trying to open and repair a hot surge protector yourself is not recommended, as you could risk electric shock or further damage.