THQP Breakers Are A Smaller, Smarter Solution For Today'S Cost- and Quality-Conscious Contractors and Homeowners. Half The Width and Identical In Design In Comparison to Standard Breakers, They Allow Use Of Smaller Load Centers and For Maximum Savings Of Space and Money. Ge Is The Only Manufacturer That Gives You This Cost Advantage Without Sacrificing Flexibility. The THQP120 Features 1/2" Width, 1 Pole, An Ampere Rating Of 20 A, An Interrupting Rating Of 10KAIC, and A Voltage Of 120/240V.