Eaton KD3250W - 250 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Discover reliable, three‑phase protection with the Eaton KD3250W - a 3‑pole bolt‑on molded case circuit breaker engineered for demanding panel environments. Rated at 250 A and built for up to 600 V, this unit delivers precise, dependable overcurrent and short‑circuit protection where it matters most—in panelboards and load centers.

Why the KD3250W stands out

• Bolt‑on mounting: a secure, vibration‑resistant bus connection that stays tight through equipment start‑ups and site movement, reducing connection wear and intermittent trips.
• Thermal‑magnetic trip unit: combines steady thermal protection with immediate magnetic response to short circuits, delivering stable, repeatable protection across varying loads.
• Three‑pole design: coordinated protection for three‑phase circuits, simplifying wiring and ensuring balanced fault isolation.
• OEM compatibility: designed to pair with matching OEM load centers and panelboards for seamless integration into established electrical setups.

What it protects and where to use it: This breaker provides branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Its 250 A rating makes it suitable for commercial feeders, large residential installations, and light industrial applications that require solid three‑phase protection and reliable fault isolation.

Ideal use cases:

• Three‑phase feeders in commercial buildings, malls, and multi‑tenant facilities.
• Motor and equipment protection where fast magnetic trips prevent cascading faults and minimize downtime.
• Retrofits or new installations that demand bolt‑on, molded‑case breakers with OEM panel compatibility.

Installation and care tips:

• Confirm panelboard compatibility with bolt‑on KD series devices and ensure there is adequate space for a 3‑pole unit.
• Follow torque specifications when securing terminals to maintain the integrity of the vibration‑resistant bus connection.
• Schedule periodic inspections of connections and replace units showing signs of overheating or wear to preserve protective performance.

Engineered for dependable protection in real‑world conditions, the Eaton KD3250W (250 A, 600 V, 3‑pole, bolt‑on) delivers consistent protection for branch circuits in panelboards and load centers. A practical, professional choice for commercial, residential, and light industrial settings that require robust, three‑phase circuit protection. Available now from AmpState, this bolt‑on breaker helps you maintain safety, streamline panel maintenance, and keep critical systems running smoothly.