Circuit Protector, Circuit Protection Type Circuit Breaker, Connection Type Track Mount, Current 4 A, For Minimum Wire Size 16 AWG, For Maximum Wire Size 10 AWG, Housing Color Black, Maximum Voltage 250 V AC, Mounting Type DIN, Number of Poles 1, Number of Tiers 1, For Conductor Material Copper, Overall Depth 3.15 in, Overall Length 3.11 in, Overall Width 0.5 in, Standards DIN 57470UL 1077CSA C22.2 No 235