ND312T32W - 1200 Amp Circuit Breaker

ND312T32W - 1200 Amp Circuit Breaker

Experience high-performance safety with the Eaton ND312T32W, a top-tier electronic molded case circuit breaker from the trusted Series C NG‑frame lineup. Rated for 1200 Amps and up to 600 Vac, this breaker is built for heavy-duty use in demanding industrial and commercial systems. The advanced Digitrip 310 RMS electronic LSI trip unit delivers spot-on protection against overloads, short circuits, and ground faults. And with an interrupting capacity of 85 kAIC at 240 Vac (and 50 kAIC at 480 Vac), it handles serious fault currents with ease. Designed without fixed terminals, installation flexibility is a snap—choose your setup, no fuss. Plus, HACR certification and compliance with stringent industry standards give you reliable, long-term peace of mind.

Key Features and Benefits

• High Fault-Current Handling – Rated for 85 kAIC at 240 Vac and 50 kAIC at 480 Vac, this breaker steps in when protection is most needed.
• Accurate Trip Response – The Digitrip 310 RMS electronic LSI trip unit detects and acts fast to protect against overcurrent and ground faults.
• Heavy-Duty Current Rating – With a solid 1200 Amp capacity, it’s up for serious workloads in busy electrical systems.
• Flexible Installation – A terminal-free design lets technicians adapt to most installation configurations easily.
• Long-Term Value – Built to Eaton’s high-quality standards to offer years of dependable performance.

Technical Specifications

• Series: Series C NG‑frame
  
• Trip Type: Digitrip 310 RMS electronic LSI
  
• Amperage Rating: 1200 Amp
  
• Voltage Rating: 600 Vac
  
• Interrupting Capacity:
  • 85 kAIC @ 240 Vac
  • 50 kAIC @ 480 Vac
• Poles: Three-pole configuration
  
• Frequency: 50/60 Hz
  
• Dimensions:
  • Length: 5.5″
  • Height: 8.25″
  • Width: 8.25″
• Weight: 49.15 lb
  

Material Compliance and Certifications

• HACR-rated: Approved for use with heating, air conditioning, and refrigeration systems.
• Industry-aligned: Meets Eaton’s Selling Policy 25‑000 and other key safety benchmarks to ensure dependable operation.

Suitability

• Whether it’s guarding heavy machinery in a manufacturing plant, controlling power in a large office building, or protecting critical systems in industrial installations, the ND312T32W shines under pressure. Install it in power distribution panels, motor control centers, or anywhere the load demands serious protection—its accuracy, current capacity, and ease of configuration make it a smart choice for professionals who expect consistent performance day in and day out.