This listing is for one (1) new old stock Siemens 48JB18AA3R thermal overload relay. Rated at 165 amps, this 1-pole relay is designed for use with NEMA Size 4 motor starters and provides dependable overload protection in heavy-duty industrial applications. Although this item is unused and has never been installed, it may show minor cosmetic wear from long-term storage. Built to Siemens' high-quality standards, this relay is a reliable solution for protecting motors and equipment in demanding environments.

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