125A Main Lugs Plug On Neutral Load Center, Panel
Combination Cover For Flush Or Surface Mount,
 12 Space Circuit, Use (GBK14C) Ground Bar If Required, 
Convertible To Main Breaker Load Center By Installing BR2100 (100A) Or BR2125 (125A) Main Breaker (Uses 2 Spaces). 
Type BR sub-panel 125 amp maximum,
 Main Lug Only Accepts type BR Duplex and Quadplex breakers
12-24 Circuit