Eaton EDB3100 - 100 A, 240 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton EDB3100, a 100 A, 240 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact, engineered profile saves panel space without sacrificing performance, making it a practical choice for a wide range of electrical installations.

Why the EDB3100 stands out

• Space-efficient molded case design optimizes panel layout, leaving room for branching circuits and future expansion.
• Thermal-magnetic trip unit provides stable, repeatable protection. The thermal element handles sustained overloads, while the magnetic element delivers rapid instantaneous trips on short-circuits, helping to minimize nuisance trips and improve coordination with upstream devices.
• 3-pole configuration ideal for protecting 3‑phase circuits and multi-wire branch circuits in commercial and light industrial environments.
• OEM-friendly compatibility designed to be used with matching Eaton OEM loadcenters and panelboards, ensuring straightforward installation and reliable performance.
• Versatile applications suitable for residential, commercial, and light industrial protection needs, from feeders to subpanels and critical branch circuits.

Use cases and practical benefits

• Upgrading an aging panelboard with a dependable 3-pole, 100 A protection device to safeguard feeders and branch circuits in commercial spaces.
• Installing in new electrical rooms where 3-phase or multi-wire circuits require robust overcurrent protection at 240 V.
• Replacing a worn breaker in compatible Eaton panels to restore reliable coordination and reduce downtime in light industrial setups.
• Planning ahead for future expansions: the compact design leaves room for additional breakers while preserving panel organization.

Specifications at a glance

• Manufacturer: Eaton
• Part Number: EDB3100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

For reliable, coordinated protection in panelboards and loadcenters, the Eaton EDB3100 delivers precise trip performance, space-efficient design, and OEM-compatible integration. Whether you're upgrading a legacy setup or wiring a new installation, this 3-pole 100 A breaker helps maintain safe, efficient electrical systems across residential, commercial, and light industrial environments.