Square D Q13351021 35A 3P 240V Circuit Breaker | AmpState

The Square D Q13351021 is a purpose-built circuit breaker designed for reliable protection in panelboards, load centers, and electrical distribution systems. With a 35A rating, 3 poles, and a 240V operating range, it’s ready to support multi-wire and three‑phase applications while keeping your electrical distribution safe and compliant.

Why this breaker stands out

• Exact BOM alignment — keep your original part numbers intact during replacements. The Q13351021 is ideal for projects that require matching the manufacturer's specifications to avoid compatibility issues and downtime.
• Solid protection for demanding circuits — a 35A, three-pole design delivers dependable overcurrent protection across 240V distribution paths, helping prevent equipment damage and electrical faults in multi-wire setups.
• Versatile installation footprint — suitable for panelboards, load centers, and broader electrical distribution networks, making it a practical choice for refurbishment, maintenance, and new builds.
• Availability you can count on — offered by AmpState, designed for electricians, facilities managers, and maintenance teams who prioritize ready-to-ship parts and consistent supply.

Ideal use cases

• Replacement projects where you must restore the original protection scheme without modifying existing wiring or panel configurations.
• Stocking spares to keep BOMs aligned during preventive maintenance or after-unit replacements.
• Electrical distribution upgrades in commercial or industrial environments that require reliable 3-pole 240V protection.

Specifications at a glance

• Manufacturer: Square D
• Part Number: Q13351021
• Product Type: Circuit Breaker
• Amperage: 35 A
• Poles: 3
• Voltage: 240V
• Application: Circuit protection in panelboards, load centers, and electrical distribution
• Availability: Available from AmpState

How to get the right fit

If you’re unsure about compatibility, AmpState offers guidance to confirm fit for your exact panel or distribution setup. Reach out with the part number Q13351021 and your application details, and we’ll help verify that this triple-pole 35A breaker matches your system’s requirements.