Square D | FAF26040 | Circuit Breaker | 40A | 2-Pole | 600V

The Square D FAF26040 circuit breaker is a genuine, factory-grade protection device engineered for durable performance in electrical panels that require 40A, 2-pole, 600V protection. Designed for maintenance, retrofit, and replacement projects, this breaker helps keep your system safe while preserving the integrity of your Square D installation.

Key specifications

• Amperage: 40 A
• Poles: 2-Pole
• Voltage rating: 600 V
• Part number reference: FAF26040

Why choose FAF26040? Because it’s a genuine Square D component designed to match the original equipment’s fit, mounting footprint, and electrical characteristics. Using the correct part number is essential for compatibility, so confirm fit and ratings before ordering to ensure seamless replacement or retrofit.

Ideal uses and scenarios

This 40 amp, 2-pole, 600V circuit breaker is well-suited for:

• Maintenance and service work on existing Square D panels that require a 2-pole 600V protection device
• Retrofits where a precise 40 A, 2-pole breaker is needed to support specific circuit loads
• Replacement of worn or damaged breakers in commercial or industrial panels that operate at up to 600 volts

Practical installation and care tips

• Always power down the main disconnect before handling breakers and perform work with appropriate safety gear.
• Verify that your panel labeling and manufacturer specifications authorize a 40 A, 2-pole, 600V device of the FAF26040 lineage before installation.
• Tighten terminals to the manufacturer’s recommended torque and ensure the breaker seats firmly on the panel bus.
• After installation, test the circuit to confirm proper tripping behavior and restore covers/labels for panel safety.

Choose the Square D FAF26040 when you need a trusted, exact-match replacement that aligns with your panel’s design and electrical requirements. With this part, you’re choosing reliability, a proven compatibility profile, and a straightforward path to restoring protected, code-compliant operation in your electrical system.