TEF124040 - 40Amp Circuit Breaker

TEF124040 - 40Amp Circuit Breaker

When you need a 40 Amp, 2-pole molded case circuit breaker that matches the original form, fit, and function of compatible equipment, the TEF124040 is built for the job. Designed for commercial and industrial electrical distribution systems, this Type TEF breaker features a non-interchangeable thermal magnetic trip unit that helps protect circuits from overloads and short circuits during normal operation. With an 18kA interrupting capacity at 480VAC, it is intended for applications where dependable circuit protection is required. The TEF124040 also comes equipped with load-side lugs, making installation more convenient when replacing an existing breaker in compatible equipment. Whether you're maintaining a manufacturing facility, servicing commercial electrical distribution, or keeping an established power system operating as intended, this breaker provides the ratings and configuration needed for a proper functional replacement. Built to last, it delivers the dependable protection expected in demanding electrical environments while helping preserve the integrity of existing systems.

Key Features and Benefits

• 40 Amp Continuous Current Rating: 40 Amp continuous current rating.
• 2-Pole Molded Case Circuit Breaker: 2-pole molded case circuit breaker.
• Type TEF Industrial Design: Type TEF industrial design.
• Non-Interchangeable Thermal Magnetic Trip Unit: Non-interchangeable thermal magnetic trip unit.
• 18kA Interrupting Capacity: 18kA interrupting capacity at 480VAC.
• Load-Side Lugs Included: Includes load-side lugs for easier installation.
• Form, Fit, and Functional Compatibility: Designed for form, fit, and functional compatibility with existing equipment.
• Overload and Short Circuit Protection: Helps protect electrical systems from overloads and short circuits.
• Built to Last: Built to last for commercial and industrial applications.
  

Technical Specifications

• Part Number: TEF124040
  
• Type: TEF
  
• Circuit Breaker Type: Molded Case Industrial Circuit Breaker
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Poles: 2
  
• Amperage: 40 Amps
  
• Interrupting Capacity: 18kA @ 480VAC
  
• Voltage Rating: 480VAC
  
• Dimensions:
  • Height: 6.31 in.
  • Width: 2.75 in.
  • Depth: 3.38 in.
• Included: Load-Side Lugs
  

Material Compliance and Certifications

• Commercial and Industrial Applications: The TEF124040 is manufactured for commercial and industrial electrical applications and is designed to meet the specifications of its original product design.
• Installation Guidance: Always verify compatibility with your equipment and follow applicable electrical codes and manufacturer recommendations before installation.
  

Where It Works Best

• The TEF124040 is commonly used anywhere a 2-pole, 40 Amp Type TEF circuit breaker is required to maintain an existing electrical distribution system. It is well suited for panelboards, switchboards, industrial control equipment, manufacturing facilities, commercial buildings, and other 480VAC power distribution applications. If you're replacing a compatible breaker to keep an existing system operating as designed, this model offers the proper ratings, configuration, and thermal magnetic protection needed for the application.