NEB2B100B - 100 Amp Circuit Breaker

NEB2B100B - 100 Amp Circuit Breaker

Engineered for dependable performance in demanding commercial and industrial panelboard applications, the NEB2B100B delivers precise overcurrent protection while staying compact and easy to install. This two‑pole, 100 Amp circuit breaker is built with a thermal‑magnetic trip mechanism to guard your electrical system against overloads and short circuits. Its durable EG-frame construction and high interrupting capacity allow it to handle fault conditions without fail — making it a solid choice for facility managers, electricians, and contractors who prioritize safety and reliability.

Key Features and Benefits

• Thermal-Magnetic Trip Unit: Provides accurate and responsive protection, tripping on overload or short circuit to prevent damage to wiring or connected equipment.
• High Interrupting Capacity: Rated for 22 kAIC at 600Y/347V and 35 kAIC at 480V — strong enough to safely manage substantial fault currents in industrial or commercial environments.
• Secure Load-Side Connections: Includes load-side lugs (TA1EG10) supporting 8–1/0 AWG (Copper or Aluminum), delivering a reliable and stable wire termination.
• Compact and Space-Saving Design: With dimensions of 2″ × 5.5″ × 3″ and a weight of approximately 2.006 lb, the breaker installs cleanly in standard low-voltage panelboards without taking up unnecessary space.

Technical Specifications

• Amperage Rating: 100 Amps
  
• Pole Configuration: Two-pole
  
• Voltage Rating: 600Y/347V and 480V
  
• Interrupting Rating:
  • 22 kAIC at 600Y/347V
  • 35 kAIC at 480V
• Trip Type: Thermal-Magnetic
  
• Frame Type: EG Frame
  
• Wire Size (Load Side): 8 – 1/0 AWG (Copper or Aluminum)
  
• Connection Type: Load-side lugs (TA1EG10)
  
• Dimensions:
  • Width: 2 inches
  • Height: 5.5 inches
  • Depth: 3 inches
• Unit Weight: 2.006 lb
  

Material Compliance and Certifications

• UL-Listed: The NEB2B100B meets stringent industry standards for safety and quality. It is UL-listed, ensuring compliance with recognized safety regulations for electrical protection devices.
• Environmental Compliance: The design supports environmentally responsible recycling and disposal practices, adhering to modern regulatory obligations for waste and take‑back programs.

Where It Works Best

• This breaker is ideal for low-voltage panelboards in commercial buildings, light industrial facilities, or any installation where dependable overcurrent protection is needed. It’s well-suited for situations requiring compact breakers with high interrupting capacity — for example, main distribution panels, sub-panels in offices or retail spaces, or branch circuits feeding HVAC, lighting, or heavy-duty equipment. If you’re installing or upgrading a panelboard and need a dependable, straightforward 100 Amp thermal-magnetic breaker, the NEB2B100B is a practical and trustworthy pick.