Square D ILL34350 - 350A, 3-Pole, Molded Case Circuit Breaker

Meet the Square D ILL34350—a rugged 350A, 3-pole molded case circuit breaker engineered for demanding electrical systems. This Molded Case Circuit Breaker (MCCB) delivers reliable, rapid protection in panelboards, switchboards, and control panels, helping you safeguard valuable equipment and maintain uptime across industrial, commercial, and OEM environments.

Why the Square D ILL34350 stands out

• High-current capability: With a 350A rating, it’s built to handle large feeders and motor loads common in heavy-duty applications.
• Three-pole protection: The 3-pole configuration provides synchronized protection across all phases in three-phase systems, reducing the risk of phase imbalances and fault propagation.
• Rugged molded-case construction: The molded case offers solid insulation and a compact footprint, making installation safer and more space-efficient in crowded electrical environments.
• Versatile integration: Designed for use in distribution panels, switchboards, and control panels, it enables straightforward protection across a variety of power distribution layouts.
• Dependable overcurrent protection: Focused on reliable performance to prevent equipment damage and minimize downtime in critical systems.
• Ideal for varied settings: A fit for industrial facilities, commercial buildings with substantial electrical loads, and OEM equipment requiring a robust MCCB solution.

Practical applications and scenarios

• Protect large feeders and motor circuits within motor control centers and distribution panels, ensuring safe startup and operation of heavy equipment.
• Upgrade existing protection schemes with a proven 350A, 3-pole solution to enhance reliability and fault isolation.
• Incorporate into OEM equipment where a standardized, scalable overcurrent protection device is essential for consistent performance.

Choosing the Square D ILL34350 means opting for a purpose-built, high-capacity MCCB that delivers balanced, phase-coordinated protection for three-phase systems. Its molded-case design and robust 350A rating make it a practical, dependable choice for keeping critical power systems safe and productive in demanding environments.