MDL3350L - 350 Amp Circuit Breaker

MDL3350L - 350 Amp Circuit Breaker

Power through your toughest tasks with the Eaton MDL3350L, a 350‑amp molded‑case circuit breaker that delivers dependable protection for any electrical system. Built for demanding commercial and industrial environments, this breaker brings peace of mind by handling heavy current loads with ease. Its sturdy design and precise thermal‑magnetic trip mechanisms mean it responds accurately when electrical surges or shorts threaten your equipment—helping you avoid damage, downtime, and stress.

Key Features and Benefits

• 350 A capacity: Tackles heavy-duty operations without breaking a sweat—perfect for high-load systems.
• Dual voltage flexibility: Handles up to 600 VAC and 250 VDC, making it adaptable across multiple setups.
• High interrupting ratings: Offers 65 kAIC at 240 VAC and 50 kAIC at 480 VAC—providing strong defense against overloads and short-circuits.
• Works on both 50 Hz and 60 Hz power systems: No matter the frequency of your grid, this breaker fits right in.
• Thermal & magnetic trip settings fixed in place: Reliable protection that responds consistently when it’s needed most.

Technical Specifications

• Amperage Rating: 350 A
• Voltage: 600 VAC / 250 VDC
• Interrupting Capacity:
  • 65 kAIC (240 VAC)
  • 50 kAIC (480 VAC)
• Trip Configuration: Fixed thermal and magnetic
• Pole Design: Three‑pole
• Dimensions:
  • Length: Approx. 4.06″
  • Height: 8.25″
  • Width: 8.25″
• Weight: 0.01 lb (note: confirm if weight seems unusually light; might indicate shipping packaging rather than breaker itself)
• Frequency: 50/60 Hz

Material Compliance and Certifications

• UL Listed: Meets recognized U.S. safety benchmarks for circuit breakers—so you're installing equipment that’s been vetted for quality and reliability.

Suitability

• The Eaton MDL3350L shines in environments that demand continuous, heavy-duty performance. It’s especially well-suited for:
  • Commercial power distribution systems
  • Industrial process controls and machine safety
  • Large-scale electrical applications—think manufacturing floors, energy management hubs, or infrastructure setups
  • Any setting where dependable current interruption matters—not just for protecting equipment, but also for workplace safety and operational efficiency