Square D | Q4L3300 | Circuit Breaker | 3-Pole

The Square D Q4L3300 3-Pole Circuit Breaker is engineered for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. Designed to match Square D panels, this 3-pole unit provides robust protection for three-phase circuits and is ready for OEM-grade service when you need a direct, no-hassle swap.

• Pole configuration: 3-Pole configuration for three-phase protection in compatible Square D panels.
• OEM-grade compatibility: Part number Q4L3300 serves as the best reference to ensure you’re selecting the correct replacement. Always confirm fit and ratings before ordering.
• Ideal use cases: Maintenance planning, retrofit projects to upgrade panel capabilities, and straightforward replacement when the existing breaker matches the Q4L3300 specification.
• Installation note: Verify your panel model, termination style, and electrical ratings to avoid mismatches and ensure reliable protection.

Why choose this Square D breaker over generic options? It aligns with Square D’s design standards for mounting, contact reliability, and trip behavior within your load center, helping minimize downtime and maintain consistent protection across your three-phase system. Using the Q4L3300 keeps your spare parts aligned with OEM expectations and simplifies future service.

Who this is for: Electrical contractors, facilities managers, and maintenance technicians responsible for commercial or industrial panels that rely on Square D components for dependable protection and quick replacements.

Practical tips for purchasing and installation:

• Keep the exact part number Q4L3300 on file to ensure future purchases match your panel’s requirements.
• Cross-check with your panel manufacturer documentation to confirm that a 3-Pole configuration is appropriate for the circuit being protected.
• Rely on the part number as the definitive compatibility reference to avoid mismatches during installation.