NB111050 - 50Amp Circuit Breaker

NB111050 - 50Amp Circuit Breaker

The NB111050 50 amp circuit breaker is a dependable, high-performance solution designed to protect residential and light commercial electrical systems from overloads and short circuits. Rated at 50 amps with a 10k A.I.C. at 120VAC, this single-pole, bolt-on thermal magnetic circuit breaker delivers consistent circuit protection where higher current capacity is required. Engineered for maintenance and replacement applications, the NB111050 is built to integrate seamlessly into compatible panels, helping restore safe and reliable operation without unnecessary modifications. Its compact footprint allows for efficient use of panel space while maintaining strong, steady performance under demanding electrical loads.

Key Features and Benefits

• Thermal Magnetic Trip Mechanism: Combines thermal protection for overload conditions with magnetic protection for short circuits, helping safeguard wiring and connected equipment.
• 50 Amp Rating: Ideal for circuits that require higher amperage capacity, supporting heavy-duty residential and light commercial applications.
• 10k A.I.C. at 120VAC: Designed to interrupt fault currents safely, providing dependable protection in the event of a short circuit.
• Bolt-On Mounting Design: Ensures a secure and stable connection within the panelboard, reducing the risk of loose connections and improving long-term reliability.
• Space-Efficient Construction: Compact dimensions make it easier to maintain organized panel layouts without sacrificing performance.
  

Technical Specifications

• Model: NB111050
  
• Poles: 1
  
• Amperage: 50A
  
• Voltage Rating: 120VAC
  
• A.I.C. Rating: 10kA @ 120VAC
  
• Frame Type: NB
  
• Mounting Type: Bolt-On
  
• Dimensions:
  • 1.00" W x 3.38" L x 2.31" D
• Shipping Weight: 1.60 lbs
  

Material Compliance and Certifications

• UL Listed: Tested and certified to meet established safety and performance standards for circuit protection equipment.
• RoHS Compliant: Manufactured in accordance with Restriction of Hazardous Substances (RoHS) requirements, supporting environmentally responsible production practices.
  

Where It Works Best

• The NB111050 50 amp single pole circuit breaker is well-suited for maintenance and replacement projects in residential and light commercial electrical panels that require a bolt-on breaker configuration. It is particularly effective in applications where higher current circuits demand consistent and reliable protection. Designed specifically for replacement use, this breaker helps maintain the integrity and safety of existing electrical systems without being intended for system upgrades or redesigns.