Eaton MDL3450 - 450 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton MDL3450 450 A, 600 V, 3-pole molded case circuit breaker is designed to deliver dependable branch circuit overcurrent and short-circuit protection inside panelboards and load centers. Built for residential, commercial, and light industrial environments, this compact device combines rugged protection with efficient space use, helping you streamline electrical distribution without sacrificing safety.

• Compact molded case design maximizes panel space, making it easier to fit large or multiple circuits in crowded enclosures.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit sensing for rapid interruption when faults occur.
• 3-pole configuration provides reliable three-phase protection, ideal for commercial and light industrial feeders and equipment loads.
• OEM-compatible designed to work with matching Eaton OEM load centers and panelboards for a seamless upgrade or replacement path.
• High-current capability rated at 450 A and 600 V, making it suitable for demanding branch circuits and larger protection needs.
• Versatile application suitable for residential, commercial, and light industrial installations, from data center feeders to HVAC and lighting distributions.

In practical terms, the MDL3450 simplifies distribution protection: you get precise trip characteristics that align with your system’s fault current profile, straightforward installation alongside compatible panelboards, and a robust, readily available protection component for high-current circuits. It’s a solid choice when you need reliable, OEM‑matched protection that won’t compromise panel layout or safety.

Technical snapshot

• Amperage rating: 450 A
• Voltage rating: 600 V
• Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection