Miniature Circuit Breaker, Supplementary Protector, Rated Current 4 Amps, 1 Poles, Interrupt Rating 10 kA, Thermal Magnetic Trip Curve C, Voltage up to 277/Y480 VAC, 60/125 VDC, DIN Rail Mounted, Finger Safe and Multi-Function Terminals, UL 1077, CSA 22.2 No. 235