The Airpax™ ATR11 product family is a single pole, thermally operated overload protector with a snap-acting trip mechanism that provides reliable, trip-free operation on current overloads. The ATR11 series is designed with multiple mounting configurations including central nut, wing clip, snap-in, integral and PC board mounting. Know more - https://distyparts.com/product/atr11-d-x-63-wb-0-5a