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The Siemens Q140 is a type QP breaker designed for plug-in mounting. This 40 Amp single pole circuit breaker is suitable for electrical distribution applications. It provides overload and short-circuit protection for electrical systems. The unit is UL 489 approved.
The Siemens Q140 breaker is a reliable solution for residential and light commercial distribution, offering thermal-magnetic protection.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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