Q Line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices designed for residential and commercial applications in load centers or 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 can be ordered with auxiliary contact and shunt trip accessories, and can be ordered for use in HID applications. The THQL1170 breaker features 1 pole, an ampere rating of 70 A, an interrupting rating of 10kAIC, and a voltage rating of 120/240V.