The Square D by Schneider Electric QO 100 amp outdoor circuit breaker enclosure includes a two-pole QO2100 circuit breaker for use as an exterior disconnect. This device is suitable for use as service entrance equipment and is rated Type-3R for outdoor use. This enclosure accepts a B-hub for top feed applications (sold separately). For non-service entrance equipment applications, ground bar PKOGTA-2 may be required. | Schneider Electric | | Square D QO 100 amps Plug In 2-Pole Circuit Breaker | Best Buy