Square D | 999230 | Circuit Breaker | 2-Pole | 600V

Square D 999230 is a dependable 2-Pole, 600V circuit breaker designed for maintenance, retrofit, and replacement projects where precise specifications matter. Built to deliver reliable protection in commercial and industrial electrical distributions, this unit helps you maintain safety, minimize downtime, and keep your panels operating as intended.

Key details you can trust

• Part number: 999230
• Pole configuration: 2-Pole
• Voltage rating: 600V
• Best compatibility reference: The part number 999230 is the most reliable reference for panel compatibility
• Important note: Confirm fit and ratings for your specific panel before ordering

Why this 2-Pole 600V breaker stands out

• Designed to align with the exact dimensions and mounting standards required by Square D systems, reducing the risk of misfit or loose connections.
• The 600V rating supports a wide range of commercial and industrial applications, helping to safeguard equipment and personnel.
• When you need a fast, dependable swap during maintenance or retrofit, this part number provides a clear, proven reference for compatibility.
• A smart choice for service vehicles and maintenance inventories to shorten outage times when a breaker needs replacement.

Ideal use cases

• Maintenance and service downtime: planned swaps to restore circuit protection without surprises.
• Retrofit projects: bring older panels up to current protection standards with a known, compatible part.
• Replacement in commercial/industrial environments: reliable, durable performance for critical electrical distributions.

How to ensure you get the right part

• Verify your panel accepts a 2-Pole, 600V device and compare with your existing breaker’s specifications.
• Use the part number 999230 as the primary reference for compatibility checks with your Square D equipment.
• Double-check any panel labeling or service manuals to confirm rating and mounting requirements before purchasing.

Choose Square D 999230 when you need a trustworthy, readily identifiable replacement that aligns with industry standards and your panel’s protective needs. This 2-Pole, 600V breaker is built to integrate smoothly into compatible Square D systems, helping you keep electrical protection consistent across maintenance, retrofit, and replacement projects.