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The Siemens S3042B3125 is a low voltage load center designed for residential and light commercial electric distribution. It is equipped with a factory-installed main breaker and offers thirty 1-inch spaces, allowing for a maximum of forty-two circuits. This load center supports a 3-phase 4-wire system rated for 120/240V or 120/208V with a 125A interrupt rating. It is built with an aluminum bus, gray trim, and a NEMA type 1 enclosure suitable for indoor installations.
The Siemens S3042B3125 load center is ideal for managing electrical distribution in various settings. Its robust design features aluminum bus for reliability and meets UL standards.
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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