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Square D QOB350 Bolt-On 3-Pole Circuit Breaker
Square D QOB350 Bolt-On 3-Pole Circuit Breaker
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Description:
The Square D QOB350 Bolt-On 3-Pole Circuit Breaker is a 50‑amp, 240‑volt unit designed for bolt‑on installation in compatible QOB panelboards, delivering 10 kA short‑circuit current at 240 VAC. This three‑pole device belongs to the QO/QOB Miniature Circuit Breaker family and uses a thermal‑magnetic trip mechanism to protect three‑phase circuits from overcurrent. Suitable for commercial or light industrial branch circuits, it protects equipment such as motors and compressors in 240‑V systems and integrates with Square D QOB bolt‑on installations. The QOB350 is specified as a bolt‑on, 3P, 50A breaker rated for 240 VAC with a 10 kA interrupting rating, making it a direct fit for compatible QOB load centers.
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