Confirmed Gap-Fill (was missing from both prior files) - Adjustable, Not UL Listed
Eaton Series C K-Frame KT3315TA Adjustable Trip Unit 315A 3P
The Eaton KT3315TA is a 3-pole, 315A adjustable-thermal trip unit for Series C K-Frame breakers. Adjustable thermal range 250 - 315A. Not UL listed (special calibration).