Miniature Circuit Breaker Amps 20 Number of Poles 1 Curve Type B AC Voltage Rating 277VAC DC Voltage Rating 48VDC AIR @ 120VAC 10kA AIR @ 240VAC 10kA AIR @ 277VAC 10kA AIR @ 48VDC 10kA Terminal Connection Lug Mounting DIN Rail Length 4.01 In. Width 0.71 In. Depth 3 In. Frame Size 32A Standards UL 489 IEC 60947-2