Square D | IL34350 | Circuit Breaker | 350A | 480V

The Square D IL34350 circuit breaker is engineered for demanding 480V systems, delivering 350A of protection where it’s needed most. This unit is ideal for maintenance, retrofit, and replacement projects that require exact matching specs to keep your electrical system running safely and reliably.

Key specifications

• Amperage: 350A
• Voltage: 480V
• Part number: IL34350

Why choose the IL34350 for your 480V installation

Designed to align with exact Square D specifications, the IL34350 is the dependable choice when you need a like-for-like replacement or a retrofit component that won’t leave you guessing about compatibility. Its 350A rating is suited for high-load feeders, motors, and distribution circuits in industrial and commercial facilities. Because the part number IL34350 is the best reference for compatibility, you can reduce downtime and order with confidence.

Ideal use cases

• Maintenance upgrades in existing 480V circuits where current specs must be preserved
• Retrofit projects that replace aging or failed breakers with an exact IL34350-compatible unit
• Replacement in panels and switchgear designed to accept IL34350-series Square D breakers

How to ensure a proper fit and safe purchase

Important: Confirm fit and ratings before ordering. The part number IL34350 is the best reference for compatibility with your equipment and panel lineup. If your system requires a 350A, 480V protection device in the Square D family, this breaker is designed to meet those specifications.

Practical considerations and installation notes

Handle with standard electrical safety precautions and follow your site’s maintenance protocols when replacing or installing this circuit breaker. Keep your spare IL34350 on hand for quick changes in maintenance seasons, and store it in its original packaging to preserve integrity.