Eaton KDC3125 - 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton KDC3125 is a 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliability in demanding electrical environments, this device helps safeguard wiring and downstream equipment while keeping system downtime to a minimum.

• Space-efficient molded-case design: A compact footprint that optimizes panel space without sacrificing protection performance.
• Thermal-magnetic trip unit: Combines thermal overload sensing with magnetic instantaneous tripping for stable, repeatable protection across varying loads and fault conditions.
• 3-pole configuration: Ideal for 3-phase circuits and multi-wire applications where simultaneous breaking of all poles is required.
• OEM panel compatibility: Engineered to align with matching OEM loadcenters and panelboards, ensuring dependable fit and reliable operation.
• 600 V rating: Suitable for commercial, light-industrial, and certain residential-use scenarios that demand higher voltage protection.

Use cases span from upgrading an existing panel to installing new electrical infrastructure. The KDC3125 is well-suited for residential subpanels, commercial power distribution, and light industrial electrical rooms where compact, reliable overcurrent protection is essential. Its thermal-magnetic trip mechanism helps reduce nuisance trips while providing fast magnetic response to short circuits, helping minimize equipment damage and downtime.

Key specifications

• Manufacturer: Eaton
• Part number: KDC3125
• Type: Thermal-magnetic molded case circuit breaker
• Voltage rating: 600 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for

• Residential panelboards and subpanels where space is at a premium but protection must remain robust.
• Commercial electrical rooms enforcing reliable 3-phase protection for lighting and small power circuits.
• Light industrial setups requiring durable, high-voltage protection that fits neatly within standard panel configurations.

Why choose the Eaton KDC3125? It combines a compact form factor with an intelligent trip system and seamless OEM compatibility, delivering predictable protection you can trust in everyday electrical work. If your panelboard or loadcenter calls for a 3-pole, 600 V molded-case breaker, the KDC3125 is designed to meet that need with clarity and reliability.