Square D | A1L315 | Circuit Breaker | 3-Pole | 240V

For professionals maintaining or upgrading electrical systems, the Square D A1L315 circuit breaker provides precise, three-pole protection at 240V, built to meet the demanding needs of service, retrofit, and replacement projects. This 3-pole design is specifically suited for three‑phase circuits and panels that require robust overload protection with a direct, reliable replacement reference.

Key details

• Poles: 3-Pole
• Voltage: 240V
• Part number: A1L315
• Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Ideal use cases

• Maintenance projects where a like‑for‑like replacement keeps panels up to date without rewiring or reconfiguring existing feeders.
• Retrofit initiatives to upgrade older systems to modern 3‑pole, 240V protection for three‑phase demands.
• Replacement in service panels that require a precise A1L315 specification to maintain electrical code compliance and system reliability.

Why this matters

The Square D A1L315 is more than a component—it's a targeted solution for keeping critical equipment protected. A correct 3‑pole, 240V breaker ensures balanced protection across three phases, minimizes downtime during swaps, and simplifies procurement with a single, well‑defined reference part number. When your goal is dependable protection that aligns with existing specifications, this breaker aligns with that objective.

Compatibility and ordering tips

Before purchasing, verify that the A1L315 matches the exact panel or bus configuration in your installation. Rely on the part number as the most reliable indicator of compatibility, and cross‑check any panel labeling or manufacturer's documentation that references 3‑pole 240V protection. This careful confirmation helps ensure seamless installation and continued circuit protection.