FDB2040 2 Pole 600V Molded case circuit breaker by Eaton / Cutler-Hammer, thermal magnetic, Fixed trip F frame or FDB includes load lugs, 600 VAC at 50/60 hz, 250 VDC, 40 ampere at 40 deg c, 3 pole, interrupting rating 18 kiloampere at 240 VAC, 14 kiloampere at 480/600 VAC, 10 kiloampere at 250 VDC (ul), 18 kiloampere at 220/240 VAC, 14 kiloampere at 380/415/440/500 VAC, 10 kiloampere at 250 VDC (iec), terminal standard pressure line terminal, standard pressure load terminal, size 4.125 inch w x 3.375 inch d x 6 inch h, approval ul, FDB model. If you need mounting hardware kits for older panelboards, please call our office.