The C3R30308HCR is a square 30 x 30 x 8 in (762 x 762 x 203 mm) Type 3R wallmount enclosure. It is one of the larger square sizes in the series, and its part drawing shows a door stiffener on the wide door, making it suitable for outdoor wiring/junction installations that need a broad mounting surface.

As part of the C3R HCRMD series it is formed and spot welded from 16 or 14 gauge galvanized steel, with a drip shield top and seam-free sides, front and back. The door swings on a stainless steel continuous hinge, is fastened with captive plated screws and has a padlocking hasp. Collar studs are provided for mounting optional panels, external mounting feet handle wall mounting, and oil resistant gaskets are permanently secured. Enclosure and cover are finished inside and out in ANSI 61 gray powder coating.

The C3R30308HCR drawing shows a 29.69 x 29.75 in door, a 28.93 x 27.71 in door opening and ground studs on the body and door, plus a door stiffener. The optional 18P2727 inner panel measures 27.00 in x 27.00 in. Shipping weight is 83 lbs (37.65 kg), and it ships in a box.

It is rated UL-50 Type 3R (UL File E65324) and CSA Type 3R (CSA Cert. LL21312), complies with NEMA Type 3R and IEC 60529 IP24, and is covered by a Declaration of Conformity to the Low Voltage Directive 2014/35/EU for the C3RHCR commercial enclosure series. It is listed as RoHS and REACH compliant.