Product details:

Miniature Circuit Breaker, Amps 90, AC Voltage Rating 120/240VAC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 60VDC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible Panelboard/Load Center Series QO, Phase 1, Series QOU, Max. AIR Rating 10kA at 120/240V AC, For Use With Heating, Air Conditioning and Refrigeration Equipment, Terminal Connection Slotted Box Lug (Non-Reversible Line and Load), Frame Size 100A/QOU, Length 4.45 In.