Square D FAL12100 Circuit Breaker, 100A, 1-Pole, 120V

The Square D FAL12100 circuit breaker delivers dependable overcurrent protection for industrial electrical systems. With a 100 A rating, 1-pole configuration, and 120 V operation, this breaker is built to integrate smoothly into compatible Square D panels as part of the trusted FAL series. Use the part number FAL12100 to confirm compatibility with your application and ensure proper fit and performance.

Overview and compatibility

The FAL12100 is designed for industrial service, maintenance, and replacement projects. It’s a single-pole breaker that protects a single hot leg in 120 V circuits, making it ideal for control panels, distribution boards, and other industrial electrical configurations where precise, reliable protection is required.

Key specifications

• Manufacturer: Square D
• Series: FAL
• Part Number: FAL12100
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 1
• Voltage: 120 V

Note: Verify fit by part number and application requirements to ensure correct compatibility with your panel and bus arrangement.

Why this 100 A, 1‑pole breaker stands out

• Precise fit for industrial panels: Part of the FAL-series lineup, this breaker is designed to slot into compatible panels without modification, streamlining replacements and upgrades.
• Clear, single‑leg protection: Ideal for 120 V circuits that run single hot legs, simplifying protection for motors, controls, and branch circuits in industrial settings.
• Reliable replacement option: When a 100 A necessity arises, the FAL12100 provides a straightforward, installable solution that aligns with existing infrastructure labeled for FAL components.
• Practical documentation support: Clear part-number guidance helps technicians confirm listing and suitability before purchase or installation.

Ideal use cases

• Industrial service panels undergoing routine maintenance or capacity upgrades
• Replacement of failed breakers in control cabinets and distribution racks that require a 100 A, 1‑pole, 120 V protection device
• Retrofit projects where existing equipment is specified for FAL-series breakers
• Facilities and plant engineering tasks that demand quick part verification via the FAL12100 part number

Installation and handling tips

• Power down the equipment and follow lockout/tagout procedures before replacement.
• Confirm panel compatibility using the listing and part number (FAL12100) to avoid fit issues.
• Torque and mounting should align with your panel’s manufacturer guidelines and listing requirements.
• If you’re unsure about compatibility, reach out for help confirming fit using the part number and your application details.

Ready to proceed? The Square D FAL12100 circuit breaker is a concrete choice for reliable, single‑leg 120 V protection in industrial environments. Ensure compatibility by checking the part number against your panel’s listing, and consult our team if you need assistance matching the right part to your specific application.