400A Ring Type Meter Socket

4 TERM RNGTP PLAIN TOP 5 POS GND BYPS STUDS 400A MN BRKR 22KAIC 240V

Milbank #

M401-UG-BS

UPC

784572211865

The Milbank M401-UG-BS is a 4 terminal ring type meter socket with a plain top, built for underground cable entry and rated for service up to 240 volts alternating current. It is listed under the HPWR product family and is intended for use as a meter socket with a main breaker on a single phase electrical service. This unit ships with one 400 ampere main breaker and a link bypass provision, which lets a utility or contractor pull and reseat the meter without interrupting downstream power. The enclosure is built from G90 galvanized steel with a powder coat finish and uses glass polyester insulation inside the meter chamber. Grounding is handled through a 2 barrel ground lug, and the unit includes 5 grounding positions along with the bypass studs referenced in its part description. Line side termination is made at a 1/2 inch stud, and the load side accepts conductors from 3/0 AWG up to 300 kcmil. The enclosure is UL Listed and rated Type 3R for outdoor use, with a 60 Hertz frequency rating and factory knockouts for surface mounting. Physical dimensions are 5.97 inches deep, 24.88 inches wide, and 38 inches tall, and a manufacturer spec sheet is available for the M401-UG-BS for engineers and electricians laying out a service entrance.