BRAND NEW IN BOX NEVER USED - CU12L400CB Square D 400 AMP Meter Combo Base Socket 12 Spaces 6 Circuits. 

SQUARE D CU12L400CB: METER MAIN RING T-MANUAL TEST BYPASS 400A

Technical Description: Ring, Rainproof Type; 4 AWG to 250 kcmil (Copper/Aluminum) Ground Wire Size; UL Approval; 120/240 Volt AC Voltage Rating; Surface/Semi-Flush Mount Mounting; NEMA 3R Enclosure; 400 Amp Current Rating; 1-Phase 3-Wire Circuit Configuration

Comes with one installed 200 AMP Circuit Breaker. Additional breaker can be purchased separately.

PLEASE CONSULT serving utility for their requirements prior to ordering or installing, as specifications and approvals vary by utility and may require local electrical inspector approval. All installations must be installed by a licensed electrician and must comply with all national and local codes, laws and regulations. Manufacturer reserves the right to make changes in specifications and features shown without notice or obligation.