Best Seller | SQUARE D N150MH Panelboard Main Breaker Kit, HDL, HGL, HJL, HLL, HRL, 150A, Panelboard Main Breaker Kit, For Use With Square D H-Frame Panelboards, Amps 150, Includes (1) Label, (1) Mounting Plate, (1) Screw Set , (2) Bracket for Support , (2) Cover Plate, (2) Rail Extension, (2) Rail Splice, (2) Terminals, (3) Connector, 347V... ... more SQUARE D N150MH Panelboard Main Breaker Kit, HDL, HGL, HJL, HLL, HRL, 150A, Panelboard Main Breaker Kit, For Use With Square D H-Frame Panelboards, Amps 150, Includes (1) Label, (1) Mounting Plate, (1) Screw Set , (2) Bracket for Support , (2) Cover Plate, (2) Rail Extension, (2) Rail Splice, (2) Terminals, (3) Connector, 347V... | | $574.99 go to store |