This EXM 1100 T4403 splitter trough is designed for 600 V (max.) service in ordinary locations, accommodating 3 to 4 wires. Constructed from high-quality 14 GA or 16 GA mild steel, it features a durable ANSI/ASA 61 smooth gray heat-fused powder coat finish. The enclosure includes mounting holes in the back, knockouts, bracket hinges, and a provision for padlocking for added security. Phenolic insulated splitter blocks are factory installed for convenience, and the lugs have removable tops for easy wire installation. The inner panel is galvanized.The EXM 1100 T4403 is a NEMA 1 splitter trough designed for 600 V (max.) service, supporting 3 wires. It has a maximum amperage rating of 400A (CUL-AL). The dimensions are 48 inches in height, 10 inches in width, and 6 inches in depth. Constructed from mild steel, it is finished with a polyester powder coating in ASA 61 smooth gray. Certifications include CSA, RoHS, and CE. The IP rating is IP20.