Square D | ILL34300 | Circuit Breaker | 300A | 3-Pole | 480V

Square D ILL34300 Circuit Breaker — a 300A, 3-pole device designed for 480V networks, ideal for maintenance, retrofit, and replacement projects that demand exact compatibility.

Key specifications:

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 480V

Why this model stands out:

Built by Square D, a trusted name in industrial power distribution, the ILL34300 is purpose-built to integrate with compatible Square D panels and switchgear. The 3-pole configuration provides synchronized protection across all three phases, helping safeguard motors, drives, and other 3-phase equipment from overloads and short circuits in demanding industrial environments.

Perfect for:

• Replacing a failed breaker within an existing 480V, 3-phase panel
• Retrofits where 3-pole, high-current protection is required
• Maintenance spares to minimize downtime in manufacturing, data centers, or facilities with heavy equipment

Compatibility guidance (from the product details): confirm fit and ratings before ordering. The part number ILL34300 is the most reliable reference to ensure exact compatibility with your panel and bus arrangement.

How to use it successfully:

• Match the part number to your existing Square D equipment labeling to avoid misfit
• Verify the voltage rating (480V) and current rating (300A) align with the circuit requirements
• If in doubt, consult your panel’s documentation or a qualified electrician to confirm the replacement scope

Invest with confidence in a trusted, durable solution for heavy-duty electrical distribution. Order the Square D ILL34300 300A 3-Pole 480V circuit breaker and keep critical systems protected against overloads across all three phases.