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The ABB THQL32040 is a 3-pole, thermal-magnetic circuit breaker from the Q Line series, rated for 40 amps at 240 volts with a 10kAIC interrupting rating. One inch wide per pole, it is built for load centers and lighting panels in residential and commercial applications. The Quick-make / Quick-break mechanism and common trip bar design deliver reliable overcurrent protection and a clear trip indication that makes faults easy to spot. Licensed electricians typically specify this breaker for branch-circuit protection where a compact, multi-pole device is required.
The THQL32040 fits standard Q Line compatible load centers used in residential and light commercial electrical distribution systems. Its compact one-inch-per-pole footprint makes it well suited for panels where space is limited. The breaker can be ordered with auxiliary contact and shunt trip accessories for added control functionality, and it is available for use in HID lighting applications where additional inrush capacity is needed.
Designed for use in Q Line compatible load centers and lighting panels in residential and commercial electrical distribution applications.
Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the panel and verify the absence of voltage before handling or installing the breaker. Confirm that the load center is rated and listed for use with Q Line breakers before installation. Do not exceed the breaker ampere rating or voltage rating of the circuit.
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