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Square D QOB340 Miniature Circuit Breaker, 240 VAC/48 VDC, 40 A, 10 kA Interrupt, 3 Poles: Amazon.com: Tools & Home Improvement
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Square D QOB340 3-Pole 40 Amp Molded Case Circuit Breaker - Square D - Expedited Shipping Available| Bay Power
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QOB340 - Mini circuit breaker, QO, 40A, 3 pole, 120/240VAC, 10kA, bolt on mount | Schneider Electric USA
QOB340 - Mini circuit breaker, QO, 40A, 3 pole, 120/240VAC, 10kA, bolt on mount | Schneider Electric USA
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