50/30/20 MTR surface box U5100-XL-75

The U5100-XL-75 surface mount box is typically mounted to a 4×4 post.  Add a pagoda light to the top at any time. Electric meter sold separately.

SKU: U5100-XL-75 Categories: ,


Constructed of galvanized 16 gauge steel, this 50/30/20 Milbank post-mount surface box is NEMA 3R rated for outdoor use and finished with a gray polyester powder coat.  The ring-type meter socket is rated at 125 amps.  The hinge cover swings up to open and can be locked.  Units come factory wired with copper and are assembled with breakers and receptacles installed.  This unit does not have loop-fed lugs.  Canada cUL approved.

SKU: U5100-XL-75

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Additional information


Amp Rating

Receptacles & Breakers



Loop-fed Lugs


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