NE231040 - 40Amp Circuit Breaker

NE231040 - 40Amp Circuit Breaker

The NE231040 40 Amp Circuit Breaker is designed to deliver dependable protection for three-phase electrical systems in residential, commercial, and light industrial environments. Built with thermal magnetic trip technology, this 3-pole circuit breaker helps safeguard wiring and equipment from overloads and short circuits before they cause costly damage or downtime. With a 10k A.I.C. rating at 240VAC, the NE231040 provides the interrupting capacity needed for reliable performance in demanding applications. Its bolt-on mounting design ensures a secure connection to compatible panelboards, making it a practical choice for maintenance professionals who value safety, efficiency, and long-term performance.

Key Features and Benefits

• Three-Pole Configuration: Protects all three phases of a power system, helping maintain balanced and consistent operation.
• 40 Amp Rating: Ideal for circuits requiring up to 40 amps, supporting a wide range of commercial and light industrial loads.
• Thermal Magnetic Trip Mechanism: Combines thermal protection for overload conditions and magnetic protection for short circuits, delivering fast, accurate response when it matters most.
• 10kA Interrupting Capacity at 240VAC: Provides reliable fault interruption to help prevent equipment damage and reduce safety risks.
• Bolt-On Installation: Ensures a firm, stable connection within compatible equipment, helping minimize vibration-related issues and downtime.
• Durable Molded Case Construction: Engineered with high-quality materials to withstand everyday electrical demands and challenging environments.

Technical Specifications

• Model: NE231040
  
• Poles: 3
  
• Amperage Rating: 40 Amps
  
• Interrupting Capacity (A.I.C.): 10kA @ 240VAC
  
• Voltage Rating: 240VAC
  
• Frame Type: NE
  
• Dimensions: 4.13" W x 6.19" L x 3.38" D
  
• Approximate Shipping Weight: 6 lbs
  

Material Compliance and Certifications

• Industry Standards: The NE231040 circuit breaker is manufactured in accordance with established electrical industry standards for safety and performance.
• UL Requirements and Electrical Codes: Built from premium-grade components, it is designed to meet applicable UL requirements and comply with national and local electrical codes. Its construction supports consistent operation under rated conditions, helping contractors and facility managers maintain code-compliant installations.

Where It Works Best

• This 40 amp, 3 pole circuit breaker is well suited for maintaining or upgrading existing three-phase distribution systems in commercial buildings, multi-unit residential properties, and light industrial facilities. It’s an excellent fit for panelboards requiring an NE frame breaker with bolt-on mounting. Electricians and maintenance teams rely on the NE231040 when dependable circuit protection is essential to keeping equipment running safely and efficiently.