Supplementary Protector, Amps 50, Number of Poles 2, Curve Type B, DC Voltage Rating 440VDC, AIR Rating 10k@125/250VDC, 4.5k@220/440VDC, AIR @ 125VDC 10kA, Trip Type Thermal Magnetic, Terminal Connection Screw Clamp, Mounting DIN Rail, Min. Wire Size 14 AWG, Max. Wire Size 2 AWG, Length 3.21", Width 1.42", Depth 2.91", Standards UL, CSA,TUV,CEWARNING: California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.