Product Description E4XJXD23M300 I-T-E, 300 Amp, 3 Pole, 240 VAC, CALIBRATION AT 50 DEG C Non-Interchaneable Trip Siemens, Molded Case, Circuit Breaker, in Nema 4X Enclosure Stainless SteelI-T-E Molded Case< × × ×