TFJ236125 **Older Style** - 125Amp Circuit Breaker

TFJ236125 **Older Style** - 125Amp Circuit Breaker

The TFJ236125 molded case circuit breaker is a 3-pole, 125-amp thermal magnetic circuit breaker designed for use in your commercial and industrial electrical distribution systems. Featuring the older style black face configuration, this breaker provides a form, fit, and functional replacement option for existing installations utilizing Type TFJ circuit breakers. Built with a non-interchangeable thermal magnetic trip unit, the TFJ236125 helps you protect electrical equipment and conductors from overloads and short circuits while maintaining dependable circuit protection in demanding environments. This industrial breaker includes load-side lugs and is housed in an F225 line molded case frame, making it well-suited for facilities that require continuity with established electrical infrastructure. Designed for long service life, this breaker remains a practical choice for maintaining and servicing legacy power distribution systems.

Key Features and Benefits

• 125 Amp Current Rating: 125 Amp current rating for commercial and industrial power distribution applications.
• 3-Pole Configuration: 3-pole configuration suitable for three-phase electrical systems.
• Type TFJ Design: Type TFJ molded case circuit breaker design.
• Older Style Black Face: Older style black face construction for compatibility with existing equipment configurations.
• Thermal Magnetic Protection: Thermal magnetic trip unit provides protection against both overload and short-circuit conditions.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit design.
• Load-Side Lugs Included: Includes load-side lugs for installation convenience.
• F225 Line Molded Case Frame: F225 line molded case frame construction.
• Built for Durability: Designed for long-term durability in demanding electrical environments.
• Legacy System Replacement: Suitable as a form, fit, and functional replacement in compatible legacy systems.

Technical Specifications

• Part Number: TFJ236125
  
• Type: TFJ
  
• Frame: F225 Line Molded Case
  
• Amperage Rating: 125 Amps
  
• Number of Poles: 3
  
• Trip Unit: Thermal Magnetic, Non-Interchangeable
  
• Voltage / Interrupting Rating:
  • 18kA @ 600VAC
  • 22kA @ 480VAC
  • 25kA @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 4.13 in.
  • Depth: 3.81 in.
• Terminations: Includes Load-Side Lugs
  
• Face Style: Older Style Black Face
  

Material Compliance and Certifications

• Application Requirements: This molded case circuit breaker was manufactured for use in commercial and industrial electrical systems and is intended to meet the electrical ratings and application requirements associated with its original design.
• Installation Verification: Users should verify compatibility, code compliance, and installation requirements with their specific application and local electrical regulations before installation.
  

Where It Works Best

• The TFJ236125 circuit breaker is commonly used in industrial facilities, manufacturing plants, commercial buildings, distribution equipment, motor control systems, and other three-phase power applications requiring a 125-amp molded case circuit breaker. It is particularly well-suited for maintenance, repair, and replacement projects where an existing Type TFJ breaker with an older style black face configuration is required to match installed equipment. Its thermal magnetic protection characteristics make it an effective choice for protecting feeders, distribution circuits, and connected electrical equipment in established power systems.