Confirmed Gap-Fill (was missing from both prior files) - Adjustable, Not UL Listed
Eaton Series C KT3250TA K-Frame Adjustable Trip Unit
The Eaton KT3250TA is a 3-pole, 250A adjustable-thermal trip unit for Series C K-Frame breakers. Adjustable thermal range 200 - 250A. Not UL listed (special calibration).