Square D QO3030 Miniature Circuit Breakers (MCBs)
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Directly from Factory and Distributors
Quality parts for less
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Genuine Square D QO1151021 surplus parts. Sourced from verified OEM and distributor channels, fully inspected for authentic quality and dependability.
Critical Surplus specializes in responsibly sourced OEM surplus parts, giving contractors and facilities access to hard-to-find parts without compromising safety or performance. Every item we stock is from verified supply-chain partners — never counterfeit, never untested — and each part is inspected, cataloged, and stored in a controlled environment to preserve its integrity. With transparent condition grading and fast fulfillment, you get dependable equipment very quickly and at a fraction of regular distributor pricing.
| Manufacturer | Square D |
|---|---|
| Catalog Number | QO1151021 |
| Interrupting Rating | 10 kA |
| Mounting | Plug-On |
| Wire Size | 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper) |
| Number of Poles | 1 |
| Catalog | SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf |
| Current Rating | 15 A |
| Terminal Type | Pressure Plate |
| Used On | QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel |
| Approval | UL, CSA |
| Size | 0.75 Inch W x 2.91 Inch D x 3 Inch H |
| CAD Drawings | SchneiderElectric-SquareD_17842_1_CAD.pdf |
| Data Sheet | SchneiderElectric-SquareD_14825_1_2_DATA.pdf |
| Type | Thermal Magnetic |
| Voltage Rating | 120/240 VAC at 50/60 Hz |
| Country of Origin | Dominican Republic |
This QO1151021 is offered as unused surplus sourced through authorized distributor and OEM channels. Units may arrive in non-retail packaging and may show minor storage-related cosmetic handling. 90-day limited replacement warranty included.
Most orders ship within 1 business day with immediate tracking updates. Expedited shipping and freight support available. Choose Next Day Air at checkout or contact us for more information.
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