MA3350 - 350 Amp Circuit Breaker

MA3350 - 350 Amp Circuit Breaker

Protect your critical electrical systems without fuss. The MA3350 350 Amp Circuit Breaker is a high-capacity, heavy-duty solution built to safeguard your industrial or commercial power distribution. Whether you're managing large motors, HVAC systems, or complex machinery, this breaker delivers dependable thermal-magnetic protection and is ready to go right out of the box.

Key Features and Benefits

• Combined Thermal-Magnetic Safety: On the one hand, thermal elements prevent overload; on the other, magnetic action responds instantaneously to short circuits—giving you full-spectrum protection from one device.
• Interchangeable Trip Unit: Swap trip modules quickly if your system changes or you want to dial in custom settings. Less downtime, more flexibility.
• Load-Side Terminals Included: Comes ready to install—no extra parts needed. That means faster setup and sooner you’re back up and running.
• Trusted MA Frame Design: Part of the well-known MA series with a rock-solid reputation for delivering dependable performance in demanding environments.
  

Technical Specifications

• Frame Type: MA
  
• Poles: 3
  
• Amperage: 350A
  
• Voltage Rating: 600VAC
  
• Interrupting Capacity:
  • 22kA at 600VAC
  • 30kA at 480VAC
  • 42kA at 240VAC
• Dimensions:
  • Width: 8.25 inches
  • Length: 16.00 inches
  • Depth: 4.00 inches
• Weight: ~50 lbs
  
• Ambient Temp Rating: 40°C
  

Material Compliance and Certifications

• UL Standards: Fully meets UL-listed safety standards, giving you peace of mind in industrial operations.
• Quality Components: Built from quality components that stand up to tough conditions and regular use.
• Broad Certification: Certified for a broad range of industrial and commercial applications—engineered to meet rigorous safety and functional benchmarks.
  

Suitability

• The MA3350 shines in environments where high fault currents aren’t just possible—they’re expected. It’s a go-to replacement for aging breakers in factories, large shops, warehouses, or energy control rooms. If you need reliable, hassle-free protection for critical circuits—especially in industrial or commercial settings—that won’t quit before you do, this breaker is your ideal partner.