Square D by Schneider Electric One Source QO120CP 20-Amp 1-Pole Plug Circuit Breaker, Pack of 1 Measures 2-9/16 inches diameter by

Measures 2-9/16 inches diameter by 10-3/8 inches length

main breaker

MLO Three Phase Load Center

It is durable and long lasting

ATQ Series

Square D by Schneider Electric One Source QO120CP 20-Amp 1-Pole Plug Circuit Breaker, Pack of 1 Measures 2-9/16 inches diameter byProduct DescriptionYour One Source QO120CP 20 Amp 1 Pole Plug On Circuit BreakerFrom the ManufacturerFull size 3 4" breakers, 120 240 Volts ac; 10,000 AIR. U. L. Listed as HACR type for use with equipment having motor group combinations and marked for HACR breakers. 15 and 20 amp breakers are also U. L. Listed for switching 120 Volt ac fluorescent lightingloads.