Eaton DK3300W - 300 A, 2 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Eaton DK3300W 300A, 2V, 3-Pole Bolt-On Molded Case Circuit Breaker — a rugged, dependable protection device designed for panelboards and load centers. Built for stable, long-lasting performance, this breaker delivers precise overcurrent and short-circuit protection while standing up to vibration and demanding electrical environments.

Why the Eaton DK3300W stands out

• Secure bolt-on mounting ensures a rigid, vibration-resistant bus connection, minimizing movement that can affect protection performance.
• Thermal-magnetic trip unit provides stable, repeatable protection by accurately responding to both gradual overloads and sudden short circuits.
• OEM-compatible design is engineered to work seamlessly with matching Eaton OEM load centers and panelboards for reliable fit and performance.
• High-load capability with a 300A rating supports substantial branch circuits in residential, commercial, and light industrial settings.
• Three-pole configuration delivers true three-phase protection, ideal for balanced distribution in multi-wire systems.

Ideal use cases and who benefits

• New installations and panelboard upgrades in commercial buildings where robust protection and dependable trip characteristics are critical.
• Residential service upgrades or multi‑unit dwellings with higher power demands requiring a sturdy 3-pole breaker.
• Light industrial control panels and distribution centers where vibration resistance and secure bus connections matter most.
• Renovations or retrofits in existing systems that rely on OEM-compatible components to preserve panel labeling, warranty, and performance.

How it protects your system

The DK3300W’s thermal-magnetic mechanism provides a precise response to overcurrent and short-circuit conditions, helping prevent wire insulation damage, equipment faults, and nuisance trips. Its bolt-on design minimizes connection looseness over time, ensuring dependable protection across the life of the installation. Compatible with Eaton’s family of OEM load centers and panelboards, it preserves electrical symmetry and simplifies maintenance planning for building engineers and installers.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: DK3300W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 300A
• Voltage Rating: 2V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

For professionals who demand reliability, straightforward installation, and compatibility with a trusted OEM ecosystem, the Eaton DK3300W delivers predictable protection you can plan around. When you need a solid, three‑pole bolt-on breaker that handles substantial load with a stable trip profile, this unit from AmpState is engineered to perform and endure.