Siemens P1854MC400CT RP1 UPB 400A 480Y/

Siemens Mod Flex P1 Panelboard Interior 54-circuit, 3-phase 4-wire, rated for 480Y/277V systems. 400A temperature-rated copper bus. Main breaker (MB) / main lug (MLO) convertible using select field-installable kits. Compatible with 3VA41 branch breakers only. Feed-thru lug / sub-feed capability standard. Maximum 125A branch breakers and 250A sub-feed breaker. Minimum enclosure dimensions (W x D xH) IN 20.0 x 5.75 x 74.0.