Square d i-line cat no. Q432400 molded case circuit breaker 400 amp 240 Vac series 4 Type la includes set of bottom load-side lugs. Also includes lug covers. 3 Pole 50 60 hz 240 vac 250 vdc magnetic adjustable trip range: 2000 4000 Amperes shipping weight: 23 lbs. Shipping dimensions l x w x h : 18 x 14 x 12