hi this is for I think a Siemens Allis E63B100 Circuit Breaker 100 Amp 600 Volt 3 Pole I am calling this used but I do not think it was ever used I got it from a sale the guy told me it was new but the box got weathered as you cand see in the photos I am not for sure so selling it as used as you see it all so make sure and look over all photos and be sure it is for your needs sold with no returns so be sure you know what it is before buying i i do not know anything about these kind of things but what you see...