Verified
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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Circuit Breaker
Square D | A1B330 | Circuit Breaker | 3-Pole | 240V | Bolt-On
★★★★★
| Part Number | A1B330 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D | A1B330 | Circuit Breaker | 3-Pole | 240V | Bolt-On
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
The Square D A1B330 Circuit Breaker is a purpose-built solution for maintenance, retrofit, and replacement projects that require exact specifications. This 3‑pole, 240V bolt‑on unit is designed to drop into compatible Square D panels with precision, offering a reliable upgrade or service upgrade when your electrical system needs robust protection.
Key Specifications
- Pole count: 3‑Pole
- Voltage rating: 240V
- Mounting type: Bolt-On
Why choose the A1B330 for your panel
Designed for compatibility with Square D enclosures, the A1B330 is an ideal choice for technicians tackling panel maintenance, retrofits, or replacements where a precise spec match is essential. The bolt‑on design delivers straightforward mounting and a secure connection, reducing installation time in service upgrades or panel refurbishments.
Who this is for
- Electrical contractors performing panel retrofits or replacements in commercial or industrial settings
- Facilities managers upgrading legacy equipment with a reliable, code-compliant solution
- Maintenance teams requiring a precise, match-reference part number for compatibility
Compatibility and verification tips
To ensure a flawless fit, confirm fit and ratings before ordering. The part number A1B330 is the most reliable reference for compatibility with your Square D panel. Always cross-reference your panel label and service documentation to verify that a 3‑pole, 240V bolt‑on breaker meets your circuit requirements.
Practical use cases
- Replacing a worn or failed 3‑pole breaker in a 240V service or equipment feed
- Retrofits that require upgrading to a bolt‑on mounting configuration for secure enclosure mounting
- Maintenance projects where exact spec matching minimizes compatibility risk and downtime
What you gain
- Precise compatibility reference with the A1B330 part number to avoid mismatches
- Efficient installation through bolt‑on mounting
- Clear suitability for 3‑phase, 240V circuits in compatible Square D panels
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