Product details:

Qo circuit breaker, current rating 60 amps, number of poles 3, minimum wire size 12 awg, maximum wire size 2 awg, 10000 amps interrupting rating qo plug-in and qob bolt-on circuit breakersqwik-open breakers are for use only with qo load centers, nq and nqod panelboards. Qob breakers are for use only with nq or nqod panelboards. Rated for aluminum and copper conductors. 120/240vac 1 and 2 pole: 120vac, 3 pole: 240vac visi-trip indicator standard and vh breakers are ul listed as hacr type.