QOU345 - Square D - 45 Amp Circuit Breaker Type_ DNPL BR340 is a 3 Pole

BR340 is a 3 Pole

The EDB16060 is a 1-pole bolt-on circuit breaker

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Product Specifications - EDB34030 - Square D Bolt-On Circuit Breaker

QOB140 - Square D Bolt-On Circuit Breaker

QOU345 - Square D - 45 Amp Circuit Breaker Type_ DNPL BR340 is a 3 PoleQOU345 Square D Miniature Circuit Breaker Specifications: Product or component type: Miniature circuit breaker Range of product: QOU Circuit breaker type: Standard Circuit breaker application: HACR and Switching Duty rated Line Rated Current: 45 A Number of Poles: 3P Interrupt Rating: 10 kA at: 120 240 V AC, 5 kA at: 48 V DC, 10 kA at: 120 V AC, 10 kA at: 240 V AC Electrical connection: Slotted box lugs, line side, load side System Voltage: 120 V AC,