Siemens P1 unassembled panelboards (P1 UPB) offer a wealth of features, product flexibility, quicker lead times and affordable pricing. All UPB are fully backed for high quality, trouble-free operation and are labeled as suitable for use as Service Entrance Equipment.
P1 UPB are available in 250A with 18/30/42/54 circuits only and in 400A with 30/42/54 circuits only. All panels include sub-feed space for 250A max. breaker, feed-thru lugs or TPS4 (Surge Protection Device). Customer oriented design creates installation convenience.