ND63B120 - 1200Amp Circuit Breaker

ND63B120 - 1200Amp Circuit Breaker

The ND63B120 is a Type ND6, 1200A, 3-pole molded case circuit breaker with an interchangeable trip unit. It includes load-side lugs and measures approximately 16" high × 9" wide × 6" deep. For AC applications, the breaker is rated 25kAIC at 600VAC, 50kAIC at 480VAC, and 65kAIC at 240VAC. It also has a 130 kAIC rating at 250 VDC for applicable 2-pole applications. If you're replacing a breaker in existing equipment, the details matter. When it's the right match, the ND63B120 provides the form, fit, and function needed to keep compatible legacy equipment in service. When properly applied, installed, and maintained, it's built to last.

Key Features and Benefits

• 1200A, 3-pole configuration for compatible electrical equipment
• Type ND6 molded case circuit breaker
• Interchangeable trip unit
• Load-side lugs included
• Well suited for applications where matching an existing ND6 breaker is important

Technical Specifications

• Part Number: ND63B120
  
• Type: ND6
  
• Breaker Type: Molded Case Circuit Breaker
  
• Amperage: 1200A
  
• Poles: 3
  
• 600VAC A.I.C.: 25kAIC
  
• 480VAC A.I.C.: 50kAIC
  
• 240VAC A.I.C.: 65kAIC
  
• DC Rating: 130kAIC at 250VDC for applicable 2-pole applications
  
• Trip Unit: Interchangeable
  
• Load-Side Lugs: Included
  
• Height: 16.0 in
  
• Width: 9.0 in
  
• Depth: 6.0 in
  
• Ship Weight: 75.00 lbs.
  

Material Compliance and Certifications

No specific material-compliance declarations or certification listings were provided with the available ND63B120 specifications. Rather than assume a certification that may not apply, verify any required listings or compliance information on the breaker labeling and in the equipment documentation.

Where It Works Best

The ND63B120 circuit breaker makes sense for existing electrical equipment that calls for a Type ND6 breaker with the same physical and electrical characteristics. That's especially important with legacy systems, where amperage alone isn't enough to determine whether a breaker is the right replacement.