FD3050, Molded case, thermal magnetic, F frame, 18 kiloampere at 600 Volts AC, 10,000 ampere at 250 Volts DC (ul), 65,000 ampere at 220/240 Volts AC, 35,000 ampere at 380/415/440 Volts AC, 18,000 ampere at 500 Volts AC, 10,000 ampere 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, FD model, applicable standard IEC 157-1. Molded Case Thermal Magnetic Circuit Breaker. Use in circuit protection for overloads.