NEB1B080B - 80 Amp Circuit Breaker

NEB1B080B - 80 Amp Circuit Breaker

When you're maintaining an existing panelboard, finding a breaker with the right specifications usually matters most. The NEB1B080B is an 80-amp, 1-pole Type NEB molded-case circuit breaker designed for compatible panelboard applications. It has an interrupting rating of 35k AIC at 277VAC and 85k AIC at 120VAC, along with a 40.25°C temperature rating. The breaker measures 5.5 inches high, 1 inch wide, and 3 inches deep, so its physical dimensions are easy to compare with the breaker already in your equipment. It is also HACR-rated and includes load-side terminals. If you're servicing older electrical equipment that calls for the NEB1B080B, this breaker gives you the familiar form, fit, and ratings needed to keep the existing setup intact. No unnecessary extras—just a purpose-built circuit breaker designed for compatible Type NEB applications and built to last.

Key Features and Benefits

• 80-amp, 1-pole design for compatible electrical circuits.
• Type NEB molded case construction helps maintain the required form and fit in equipment designed for this breaker type.
• Rated 35k AIC at 277VAC and 85k AIC at 120VAC.
• Panelboard mount configuration for compatible installations.
• HACR-rated for applicable heating, air-conditioning, and refrigeration circuit applications.
• Includes load-side terminals, providing the required connection point for compatible installations.
• Compact 5.5" H x 1.0" W x 3.0" D dimensions make it simple to compare the breaker against an existing unit.
• Well suited to maintenance and replacement work in existing electrical systems where matching the original specifications is important.

Technical Specifications

• Part Number: NEB1B080B
  
• Type: NEB
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage: 80 Amps
  
• Poles: 1
  
• A.I.C. Rating & Voltage: 35k @ 277VAC; 85k @ 120VAC
  
• Mounting: Panelboard Mount
  
• Dimensions:
  • Height: 5.5 in.
  • Width: 1.0 in.
  • Depth: 3.0 in.
• Temperature Rating: 40.25°C
  
• HACR Rated: Yes
  
• Load-Side Terminals: Included
  

Material Compliance and Certifications

• The NEB1B080B is HACR rated and has a specified temperature rating of 40.25°C. Its listed interrupting capacities are 35k AIC at 277VAC and 85k AIC at 120VAC.
• No other material-compliance certifications or listings are provided in the available specifications. For jobs that require a particular certification, listing, or material declaration, check those requirements against the applicable equipment and product documentation.

Where It Works Best

• The NEB1B080B makes the most sense when you're working on an existing panelboard or legacy electrical system that requires a Type NEB breaker. This is especially useful in maintenance and repair situations where the objective is simple: match the breaker the equipment was designed to use.
• Before installing a replacement, check more than the amperage. Confirm the NEB1B080B part number, 1-pole configuration, voltage, AIC rating, physical dimensions, panelboard mounting style, and terminal requirements against the existing equipment. Those details matter when you need to maintain the correct form, fit, and function of an established electrical system.
• For qualified electricians, maintenance departments, and facility teams working with older equipment, the NEB1B080B provides the specific 80-amp Type NEB configuration needed for compatible applications without changing the existing installation's basic design.