Eaton FDB3100L - 100 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton FDB3100L 100 A, 600 V, 3-Pole molded case circuit breaker is engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for practical, real-world electrical protection, this unit combines compact design with robust performance to keep essential circuits safe and available.

Why the FDB3100L stands out

• Space-efficient molded case design: Its compact footprint helps you maximize panel space, making it easier to fit alongside other breakers and maintain clean, organized distributions.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by responding to both overloads (thermal) and short circuits (magnetic), even as ambient conditions vary.
• Three-pole configuration: Supports balanced three‑phase protection, reducing the risk of neutral or phase imbalances in commercial or light industrial circuits.
• OEM-compatible for seamless replacement: Specifically designed to be compatible with matching OEM load centers and panelboards, simplifying upgrades and maintenance.
• Versatile application range: Suitable for residential, commercial, and light industrial electrical projects where reliable overcurrent protection is essential.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FDB3100L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Choose the Eaton FDB3100L for panelboard or load center installations where three-phase protection is required at a 100 A rating. It’s a practical choice for:

• Three‑phase feeders and branch circuits in light commercial spaces
• Upgrading aging panels with a compatible OEM solution to restore reliable protection
• New installations in residential developments or mixed-use buildings that require robust short-circuit protection

Compatibility and installation considerations

To ensure optimal performance, pair the FDB3100L with matching OEM load centers and panelboards. This ensures a smooth fit, coordinated tripping characteristics, and reliable protection aligned with your existing electrical architecture.

Practical guidance for real-world use

When selecting the FDB3100L, consider the following to maximize protection and longevity:

• Confirm your panelboard or load center is designed to accept a 3-pole molded case breaker of this rating and style.
• Plan for balanced three-phase protection on all legs to prevent nuisance trips and ensure even load distribution.
• Schedule professional installation to verify torque, clearance, and proper enclosure labeling in accordance with local codes and standards.

With the Eaton FDB3100L, AmpState delivers a trusted, purpose-built solution for protecting critical circuits with precision and reliability. Its combination of space-saving design, precise thermal-magnetic protection, and OEM-compatible compatibility makes it a smart choice for installers seeking durable, easy-to-integrate overcurrent protection in panelboards and load centers.