MDL3800 - 800 Amp Circuit Breaker

MDL3800 - 800 Amp Circuit Breaker

If you’re looking for a reliable, heavy-duty circuit breaker that can handle serious power without breaking a sweat, the Eaton MDL3800 is one you can count on. This 800-amp molded case breaker is part of Eaton’s well-known Series C, built specifically for tough industrial and commercial environments where performance, safety, and long-term durability matter most. Whether you're outfitting a large facility or replacing an older breaker, the MDL3800 gives you the confidence that your electrical systems are protected — even under high load or short-circuit conditions. And despite its power, it doesn’t take up much space, making installation easier in tight electrical panels.

Key Features and Benefits

• High Protection Ratings: Offers 65 kAIC at 240V and 50 kAIC at 480V, which means it’s fully capable of shutting things down safely in the event of a fault or short circuit.
• Works Across Different Voltages: Supports both 600 Vac and 250 Vdc systems, making it a great fit for a wide range of applications.
• Fixed Thermal and Magnetic Trip: Built to trip exactly when it needs to — no more, no less. That means fewer false alarms and more uptime.
• Efficient Use of Space: For an 800A breaker, it’s surprisingly compact, saving you precious room in your panel.
• Meets Safety Standards: It’s UL Listed, so you know it meets strict industry regulations and safety requirements.

Technical Specifications

• Series: Eaton Series C
  
• Model: MDL3800
  
• Poles: 3
  
• Amperage: 800 Amps
  
• Voltage Ratings: 600 Vac / 250 Vdc
  
• Interrupting Capacity:
  • 65 kAIC @ 240 Vac
  • 50 kAIC @ 480 Vac
• Trip Type: Fixed thermal, fixed magnetic
  
• Dimensions:
  • Length: 18 inches
  • Width: 8 inches
  • Height: 11 inches
• Weight: 30 lbs
  

Certifications and Warranty Info

• UL Listed: You’re covered with the Eaton MDL3800 — it’s UL Listed for safety and built under Eaton’s strict quality control processes.
• Warranty: It comes with a limited warranty: either one year from the time it’s installed or eighteen months from when it ships, whichever comes first.

Suitability

• The MDL3800 is ideal for high-demand power environments, especially where reliable performance is non-negotiable. It’s a solid choice for:
• Industrial plants and factories
• Commercial electrical panels
• Feeder circuits and motor control centers
• Backup power and infrastructure systems