Common Trip, Thermal Magnetic; 2 Pole; 120/240 Vac At 50/60 Hz (Ul/Csa), 48 Vdc; 40 Ampere; Interrupting Rating 10 Kiloampere At 120/240 Vac (Ul/Csa), 5 Kiloampere At 48 Vdc; Wire Size 8 To 2 Awg (Aluminum/Copper); Bolt On Mounting