Square D | R381520 | Circuit Breaker | 1-Pole

Meet the Square D R381520 1-Pole Circuit Breaker — a precise, purpose-built component for maintenance, retrofit, and replacement in compatible Square D panels. By matching the original specifications, this breaker helps you restore protection quickly without panel rework.

Why choose the Square D R381520 1-Pole Circuit Breaker

Designed for reliability and ease of service, this 1-Pole breaker provides a single interruption path for a circuit, making it ideal for simplified distribution needs in residential or light commercial setups. The 1-Pole configuration keeps wiring straightforward and reduces installation complexity when replacing an existing unit with the same model.

• Exact compatibility reference: The part number R381520 is the best reference for compatibility with your Square D panel.
• Maintenance, retrofit, and replacement: Specifically suited for service work where matching specs are required to preserve panel protection and warranty alignment.
• Proof of fit before purchase: Confirm fit and ratings against your panel label and catalog prior to ordering to avoid mismatches.

Compatibility and Fit

Before ordering, verify that your panel accepts the R381520 model. The part number is the most reliable compatibility reference, and cross-checking against your panel’s labeling or Square D catalog helps prevent incorrect replacements.

Ideal Use Scenarios

• Replacing a failed or worn-out breaker in a Square D distribution panel that specifies R381520.
• Retrofits where a 1-Pole protection solution is needed to maintain circuit safety without altering upstream wiring.
• Maintenance cycles where quick part swaps minimize downtime in residential or light commercial applications.

Practical Tips

Keep a spare R381520 on hand for routine service and emergency replacements. When planning a replacement, have the panel label handy to confirm that R381520 matches the required specifications for your specific panel series.