Square D | FDA220302 | Circuit Breaker | 30A | 2-Pole | 240V

The Square D FDA220302 Circuit Breaker — a precise, OEM-grade solution engineered to protect 240V circuits with a 30-amp rating. This 2-pole breaker delivers dependable overcurrent protection for panelboards in both residential and light commercial installations, making it ideal for maintenance, retrofit, or replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 30A
• Poles: 2-Pole
• Voltage: 240V
• Part number: FDA220302

Why this matters

Using the correct part ensures proper fit, trip characteristics, and electrical clearance. The FDA220302 is the best reference for compatibility, so you can confidently replace a failed or outdated breaker without guessing. When you’re matching a panel or a load, relying on the exact part number minimizes the risk of mismatch and reduces installation time.

Ideal use cases

• Maintenance: swap-in a known-good 30A 2-pole 240V breaker to restore circuit protection quickly.
• Retrofit: upgrade or reconfigure circuits in existing Square D panels where 30A two-pole protection is required.
• Replacement: replace a failed breaker with an exact OEM-compatible part to maintain panel integrity.

How this compares in the field

Compared to generic, non-OEM substitutes, this Square D circuit breaker (FDA220302) offers exact physical fit, consistent trip curves, and predictable behavior with Square D panel layouts. It’s designed to integrate smoothly with existing bus stabs and mounting hardware, helping avoid installation delays or electrical gaps in protection.

Practical tips

• Always verify the part number against your panel’s documentation before purchasing.
• Have a basic voltage tester on hand during replacement, and cut power at the breaker panel before servicing.
• Store spare breakers in a labeled container to simplify future maintenance and retrofits.