This listing is for a new old stock (NOS) Square D B32 Thermal Unit, designed for overload protection relays. This genuine Square D component, with part number 785901, is essential for safeguarding electrical motors and equipment from damaging overcurrent conditions. The thermal unit is in excellent condition, still in its original, though slightly worn, packaging. Ideal for replacement or new installations requiring reliable thermal overload protection. Please refer to the images for detailed condition and markings.