THQL Moulded case/Q-line/plug-in circuit breaker. 40 A, 1-pole. 120, 120/240 VAC system voltage. Non-interchangeable trip style. LI trip function. Q-line frame type. Standard continuous current rated. Suitable for reverse feed. 8 to 3 KCMIL (copper) or 8 to 3 KCMIL (aluminium) wire range, solid or stranded for 14 to 10 AWG. Fixed long time and instantaneous. HACR special marking. 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 or quick-break mechanisms, common trip bars and easy to spot trip indication to ensure safety and reliability.