MDL3300L - 300 Amp Circuit Breaker

MDL3300L - 300 Amp Circuit Breaker

Bring dependable, heavy-duty circuit protection into your facility with the Eaton MDL3300L. Designed with the needs of commercial and industrial operations in mind, this three‑pole breaker performs consistently under pressure—handling demanding conditions without a hitch.

Key Features and Benefits

• High-interrupting capacity: With the ability to manage 65 kAIC at 240 Vac and 50 kAIC at 480 Vac, this breaker steps up precisely when it’s needed most, shielding your equipment from dangerous fault currents.
• Flexible application: Whether your system runs on 600 Vac or 250 Vdc, 50 Hz or 60 Hz, the MDL3300L is engineered to fit a variety of electrical setups with ease.
• Built to last: Constructed from quality materials, it stands up to the rigors of heavy-duty use—so you can count on it day in, day out.
• Clear connections: Line and load lugs simplify installation and maintenance, making your job faster and safer.

Technical Specifications

• Amperage Rating: 300 A
• Voltage Rating: 600 Vac, 250 Vdc
• Interrupting Capacity:
  • 65 kAIC at 240 Vac
  • 50 kAIC at 480 Vac
• Frequency: 50/60 Hz
• Trip Type: Fixed Thermal, Fixed Magnetic
• Poles: Three

Material Compliance and Certifications

• UL Listed: Meets strict safety standards for dependable service and compliance assurance.

Suitability

• If you're in charge of power distribution in a manufacturing plant, commercial complex, or large industrial setting, the Eaton MDL3300L has your back with consistent, high-performance protection. It’s especially helpful when upgrading existing systems or incorporating new equipment—think of it as a heavy-duty guardian for your infrastructure.