The Square D QO 100 Amp 6-Space 12-Circuit Fixed Main Lugs Indoor Load Center is UL listed for residential， commercial and industrial power distribution. This load center is built with a rugged themoplastic interior and an aluminum bus bar plated for reliability. QO load centers are tested and listed only for QO circuit breakers. QO load centers are the \"World's Finest\" designed with industry leading features for flexible application. QO load centers include features engineered for fast installation and wire savings.

Includes a surface mount indoor cover

Accommodates plug-on secondary surge arrestor (sold separately)

Main feeders terminate from the top， feeders can enter from any direction， however， device cannot be rotated

Single phase

Rated 120/240 VAC and 10，000 AIR short circuit current rating

Surface mount device cover with door

Thermoplastic interior is among the most rugged in the industry

Slot/square drive screws let you use either standard flat blade screwdriver or square-head driver for positive drive and proper torque