Eaton EDB3100L - 100 A, 240 V, 3-Pole Circuit Breaker | AmpState

The Eaton EDB3100L is a 100A, 240V, 3-pole molded case circuit breaker engineered to deliver dependable branch circuit protection in panelboards and loadcenters. Its compact molded-case design maximizes panel space without sacrificing protection or performance, making it a practical choice for tighter installations and retrofit projects.

Key features that translate into real-world reliability:

• Compact molded-case design helps you use panel space efficiently, reducing enclosure depth and improving wire routing in crowded electrical rooms.
• Thermal-magnetic trip unit combines precise overload protection with instantaneous magnetic trip on short-circuit faults, delivering stable, repeatable protection across temperature variations and fault currents.
• OEM-compatible architecture is designed to pair seamlessly with matching Eaton loadcenters and panelboards, ensuring proper fit, UL listing, and reliable performance.
• Versatile application suitable for residential, commercial, and light industrial environments that require a robust 100A feeder or branch-circuit protection for multi-wire or three-phase systems.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: EDB3100L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Voltage Rating: 240V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Protect feeders feeding subpanels in small commercial spaces or light industrial setups where space is at a premium
• Upgrade aging residential or retail panelboards to meet current electrical codes while maintaining a clean, organized interior
• Provide reliable protection for 3-wire, 240V circuits in multi-branch installations, delivering consistent performance under demanding load conditions

Compared with more basic breakers, the EDB3100L’s molded-case design offers a wider protection envelope and more predictable trip behavior across varying temperatures and fault currents. It helps reduce nuisance trips while ensuring fast, safe fault clearance—an essential combination for dependable electrical protection in everyday environments.

Practical installation tips

• Choose a panelboard or loadcenter listed for the EDB3100L to maintain listing and warranty coverage.
• Verify that the surrounding system is rated for 240V and that a 3-pole device fits your panel’s configuration and bus design.
• Torque the terminals to the manufacturer’s specification to ensure solid connections and long-term reliability.
• Schedule periodic inspections to confirm there are no overheating signs or unusual tripping patterns, and consult a licensed electrician for service if needed.