QO145 - 45Amp Circuit Breaker
- 45 Amp
- 10k @ 120VAC
- 1 Pole
Purchase Options: New
QO145 - 45Amp Circuit Breaker Description
QO145 - 45Amp Circuit Breaker
When you need dependable branch circuit protection, the QO145 Type QO Plug-On Circuit Breaker is a practical choice for compatible electrical panels. Rated at 45 amps with a single-pole design, it's built to help protect 120VAC circuits from overloads and short circuits that can damage wiring and connected equipment. The plug-on design allows the breaker to seat securely in compatible Type QO load centers and panelboards, making it a solid option for replacing a worn breaker or completing a panel repair. Its compact size also makes it easy to fit into existing panel layouts without taking up unnecessary space. Whether you're maintaining a residential electrical system, servicing commercial equipment, or handling routine facility maintenance, the QO145 provides the protection needed to keep branch circuits operating safely and reliably.
Key Features and Benefits
- QO145 Circuit Breaker: QO145 circuit breaker.
- 45 Amp Rating: 45 Amp rating.
- Single-Pole Design: Single-pole design.
- Type QO Construction: Type QO construction.
- Plug-On Installation: Plug-on installation.
- 10kA Interrupting Rating: 10kA interrupting rating at 120VAC.
- Protection: Protects against overloads and short circuits.
- Compact Design: Compact design for compatible load centers and panelboards.
- Applications: Ideal for replacement, maintenance, and new installations.
Technical Specifications
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Part Number: QO145
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Type: QO
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Style: Plug-On Circuit Breaker
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Poles: 1
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Amperage: 45A
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Voltage: 120VAC
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Interrupting Rating: 10kA @ 120VAC
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Dimensions:
- Height: 3.0 in.
- Width: 0.75 in.
- Depth: 2.5 in.
Material Compliance and Certifications
- Installation Requirements: The QO145 is manufactured for use in compatible electrical distribution equipment. It is intended to be installed in accordance with the National Electrical Code (NEC), local electrical codes, and the manufacturer's installation requirements.
- Panel Compatibility: Always verify panel compatibility before installation.
Where It Works Best
- Residential load centers
- Commercial buildings
- Office spaces
- Retail locations
- Schools
- Light industrial facilities
- Electrical panel repairs and upgrades
- General maintenance applications using compatible Type QO panelboards
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.
Specifications
- Width:0.75
- Height:3.0
- Depth:2.5
- Poles:1
- Amperes:45
- A.I.C. Rating & Volts:10k @ 120VAC
- Type:QO
- Approx Dimensions:0.75"W x 3.00"L x 2.50"D
- Additional Notes:Plug-On Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
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If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
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Same Day Shipping
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In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).