Eaton FDB3110L - 110 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton FDB3110L is a 110 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Distributed by AmpState, this MCCB combines a compact molded-case chassis with precise thermal-magnetic trip technology to keep electrical systems safe without wasting valuable panel space.

Key advantages that matter in real-world installations:

• Three-pole configuration supports three-phase distribution, making it ideal for commercial and light industrial panelboards and load centers.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining overload relief with instantaneous short-circuit response.
• Compact molded-case design maximizes usable space in crowded panels, helping you fit more circuits without expanding the enclosure.
• OEM-compatible design ensures reliable mounting and seamless operation with matching load centers and panelboards from the same family.
• High current and voltage rating – 110 A current rating and 600 V maximum rating make it suitable for a wide range of commercial and light-industrial applications.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: FDB3110L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 110 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits most from the Eaton FDB3110L? Electrical professionals tasked with protecting three-phase distributions in office buildings, data centers, retail spaces, mechanical rooms, and light manufacturing lines. It’s particularly well-suited for panelboard upgrades where space efficiency and reliable trip performance are priorities, or for new installations that require a robust MCCB in a compact footprint.

Why choose this model over alternatives? The FDB3110L’s combination of a compact form factor, a proven thermal-magnetic trip mechanism, and OEM-ready compatibility delivers predictable protection with clean integration into existing systems. It reduces nuisance trips while preserving fast response during fault conditions, helping protect conductors, motor loads, and connected equipment.

Practical tips for use:

• Match the FDB3110L with a compatible Eaton OEM panelboard or load center to ensure proper mounting and electrical characteristics.
• Plan three-phase distribution layouts around the 110 A rating to prevent approaching the breaker’s continuous load limits.
• Confirm the panel’s voltage rating and conductor sizing align with the 600 V capability of this MCCB for safe operation.
• Keep spare trip units and compatible accessories on hand to streamline future maintenance or panel upgrades.