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The Siemens B345 is a three-pole circuit breaker rated for forty-five amps and two hundred forty volts. This low voltage molded case circuit breaker is designed for panelboard mounting and offers effective protection for electrical distribution.
This circuit breaker features thermal magnetic trip technology to protect against overcurrents. It is suitable for various electrical distribution applications.
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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