Square D Circuit Breaker QOB120GFI

QO plug-on and QOB bolt-on one- two- and three-pole thermal-magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. Plug-on QO circuit breakers are for use in QO load centers NQ and NQOD panelboards OEM mounting bases and Speed-D switchboard distribution panels. Bolt-on QOB circuit breakers are for use in NQO and NQOD panelboards.