MDL3450L - 450 Amp Circuit Breaker

Eaton MDL3450L - 450 Amp Circuit Breaker

When it comes to high-demand electrical systems, you need a circuit breaker that won’t let you down. The Eaton MDL3450L delivers top-notch protection and dependable performance, whether you’re powering commercial buildings, industrial facilities, or critical motor systems. With an impressive 450 A rating and flexible voltage handling, it helps keep operations running safely and smoothly.

Key Features and Benefits

• Large 450 A capacity: Easily handles high-load situations in both commercial and industrial applications.
• Dual AC/DC voltage support: Works at 600 Vac and 250 Vdc so you’ve got more flexibility for different system designs.
• Strong interrupting power: Rated at 65 kAIC at 240 Vac and 50 kAIC at 480 Vac, offering peace of mind even under fault conditions.
• Well-built and sturdy: Designed to endure tough environments, the MDL3450L maintains performance under pressure without breaking a sweat.
• User-friendly terminals: Both line and load lug terminals are included, simplifying installation and wiring.

Technical Specifications

• Frame Type: MDL
  
• Trip Mechanism: Fixed thermal and magnetic
  
• Poles: 3
  
• Amperage: 450 A
  
• Voltage Rating: 600 Vac, 250 Vdc
  
• Interrupting Capacity:
  • 65 kAIC (240 Vac)
  • 50 kAIC (480 Vac)
• Frequency: 50/60 Hz
  
• Dimensions: (Listed as placeholder values—please confirm actual dimensions before publishing)
  
• Weight: (Listed as placeholder value—please confirm before publishing)
  
• Special Features: Built‑in line and load lug terminals make wiring clean and straightforward.
  

Material Compliance and Certifications

• UL Listed: Meets widely recognized safety and performance standards, giving you confidence that it’s built to last and safe to use in a variety of environments.
  

Suitability

• Commercial spaces — perfect for office buildings, retail centers, and multi‑tenant units where reliable load protection is crucial.
• Industrial settings — tough enough to support manufacturing plants, warehouses, and process‑driven operations.
• Power distribution networks — keeps power delivery systems protected and efficient across the board.
• Motor-driven equipment — excellent for safeguarding motors against overloads and short-circuit events, helping minimize unplanned downtime.