Square D | FAF12100 | Circuit Breaker | 100A | 1-Pole | 120V

Square D FAF12100 Circuit Breaker is a precise, ready-to-use protective device designed for maintenance, retrofit, and replacement projects where exact specifications matter. With a 100A rating, 1-pole configuration, and 120V operation, this breaker is built to match the original equipment’s performance and safety standards.

Key Specifications

• Amperage: 100A
• Poles: 1-Pole
• Voltage: 120V
• Part number reference: FAF12100

Why this FAF12100 stands out

The FAF12100 is the definitive reference for compatibility when you need an exact-fit replacement. Using the precise part number ensures your panel’s mounting footprint, electrical rating, and overall protection characteristics align with the original design, minimizing installation surprises and downtime.

Ideal use cases

• Residential or commercial panels that require a 100A, single-pole breaker operating at 120V
• Retrofit projects to restore original protection in aging or upgraded panels
• Maintenance cycles where replacing like-for-like parts keeps system performance consistent

Compatibility and installation guidance

Before you order, confirm fit and ratings on your panel labeling and use the FAF12100 part number as your compatibility anchor. This ensures you’re selecting a drop-in replacement with matching mounting and electrical characteristics. For safe, reliable installation, disconnect power to the panel and follow the manufacturer’s guidelines; if you’re unsure, consult a licensed electrician to complete the process.

Practical benefits

• Streamlined procurement with an exact part reference that reduces guesswork
• Consistent protection aligned to your panel’s original design and performance
• Clear path for maintenance and retrofit projects without compromising electrical safety