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Q line circuit breakers are one-inch wide per pole compact thermal-magnetic devices designed for residential and commercial applications. The QL breakers are plug-in versions of the Q line used for connection to load centers and lighting panels. All Q line circuit breakers feature quick-make/quick-break mechanisms common trip bars and easy to spot trip indication to ensure safety and reliability. Q line breakers are available in 1 2 and 3 pole versions can be ordered with auxiliary contact and shunt trip accessories and can be ordered for use in HID applications.