Westinghouse FB3100L 100A 3P Circuit Breaker | AmpState

The Westinghouse FB3100L 100A 3P Circuit Breaker is engineered to protect your electrical distribution with precision, reliability, and a footprint that makes retrofit work smoother than ever. Designed for panelboards and load centers, this three-pole breaker delivers solid overcurrent protection for three-phase circuits while keeping compatibility at the forefront of maintenance planning. What makes the FB3100L a standout choice - 100A, 3-Pole design provides robust protection for larger, three-phase circuits, helping prevent outages and equipment damage in commercial and industrial environments. - Direct-fit for panelboards and load centers, ensuring seamless integration into existing electrical distributions without unnecessary modifications. - Part-number consistency for retrofit and maintenance, so you can keep stock and documentation stable while upgrading or replacing components. - Reliability in everyday operations, backed by Westinghouse engineering principles to support long-term service in demanding settings.

Why choose this Westinghouse FB3100L breaker

The FB3100L is more than a breaker—it's a strategic choice for facilities that prioritize uptime and stock Manageability. Whether you’re retrofitting an aging installation or planning routine maintenance, using the same part number streamlines procurement, reduces misfits, and shortens downtime when a replacement is needed. This is especially valuable in multi-site deployments where consistency across panels and centers matters.

Ideal use cases

• Retrofit projects where keeping the exact part number simplifies inventory and compatibility checks.
• Upgrading or maintaining commercial and light industrial panelboards and load centers with trusted three-phase protection.
• Maintenance planning that benefits from uniform replacement parts across service fleets.
• Replacement in existing three-phase circuits that require a 100A, 3-pole solution for continued, safe operation.

How this helps your operation

- Minimized downtime with a readily available, compatible replacement that matches existing installations. - Simplified compatibility checks thanks to the clear part number (FB3100L) and defined amperage and pole configuration. - Operational continuity by ensuring your three-phase protection aligns with your current distribution strategy.

Need help confirming fit for a specific panelboard or load center? AmpState is ready to assist with compatibility checks to ensure a correct, worry-free replacement. This FB3100L 100A 3P circuit breaker from Westinghouse is a purpose-built choice for reliable, consistent protection in your electrical distribution system.