The EN4TD306012LG is a Type 12 mild steel two door wallmount enclosure from the Eclipse Series, sized 30 x 60 x 12 in (762 mm x 1,524 mm x 305 mm) H x W x D. It is built to enclose electrical and electronic equipment and protect it against harsh industrial environments in wallmount installations. This model is finished in RAL7035 textured light gray; the ANSI 61 gray equivalent is EN4TD306012GY.

Construction is formed 14 gauge steel with smooth, continuously welded seams ground smooth and a formed lip that keeps flowing liquids and contaminants out. The two doors are secured with a three point key lockable handle (zinc diecast, black epoxy finish), hang on hidden 304 stainless steel hinges with stainless pins, and seal against permanently secured oil resistant gaskets. Door stiffeners add rigidity and extra mounting options, door alignment guides are fitted on all doors, and the doors can be removed for modification and are interchangeable.

Drawing dimensions for the EN4TD306012LG: each door is about 29.90 in wide by 29.97 in high, the door opening is 28.36 x 58.36 in (H x W), and overall depth is 12.84 in. Wall mounting holes are 0.50 in diameter on a 28.50 x 58.50 in pattern, with a hardware kit of panel mounting nuts and sealing washers included. Collar studs accept the optional EP3060 inner panel (28.20 in (716 mm) x 58.20 in (1478 mm)); a bonding stud is on the door and a grounding stud in the enclosure.

It is rated UL 508A and CSA Type 12, 3R (UL File E65324, CSA LR21001) and complies with NEMA 12, 3R and IEC 60529 IP54. To maintain UL/CSA ratings, a mounting foot kit is required for external mounting and an inner panel must be installed. The enclosure is REACH and RoHS compliant, ships boxed at 145 lbs (65.77 kg), and has UPC 623980067261.