Eaton Crouse-Hinds series Arktite NBR interlocked receptacle with breaker, 100A, 100A breaker, 3-wire, 4-pole, Brass contact, 100A frame, Style 2, Cutler-Hammer, Krydon fiberglass-reinforced poly, Spring door, 2", Non-interchangeable trip
Reference : NBR51742 WT100 3