TFK236125 **Older Style** - 125Amp Circuit Breaker

TFK236125 **Older Style** - 125Amp Circuit Breaker

The TFK236125 molded case circuit breaker is a 3-pole, 125-amp circuit breaker designed for use in your commercial and industrial electrical distribution systems requiring dependable overcurrent and short-circuit protection. This older style black face Type TFK breaker features a thermal magnetic trip unit and is built on the F225 line molded case frame, providing a form, fit, and functional replacement option for compatible legacy installations. Its interchangeable trip unit design allows for maintenance flexibility, while the included load-side lugs help you to simplify installation. Built to last, the TFK236125 is engineered to help you protect electrical equipment, feeders, and distribution systems from damaging fault conditions while maintaining compatibility with existing equipment layouts.

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 TFK Design: Type TFK molded case circuit breaker design.
• Older Style Black Face: Older style black face construction for compatibility with existing equipment.
• Thermal Magnetic Trip Unit: Thermal magnetic trip unit provides protection against overloads and short circuits.
• Interchangeable Trip Unit Design: Interchangeable trip unit design supports maintenance and service requirements.
• Load-Side Lugs Included: Includes load-side lugs for convenient installation.
• F225 Line Molded Case Frame: F225 line molded case frame construction.
• Compact Footprint: Compact footprint helps fit designated panel and switchgear configurations.
• Built for Long-Term Service: Built for long-term service in demanding electrical environments.
  

Technical Specifications

• Part Number: TFK236125
  
• Type: TFK
  
• Frame: F225 Line Molded Case
  
• Trip Unit: Thermal Magnetic, Interchangeable
  
• Poles: 3
  
• Amperage Rating: 125 Amps
  
• Voltage & Interrupting Rating:
  • 18kA @ 600VAC
  • 22kA @ 480VAC
  • 25kA @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 4.13 in.
  • Depth: 3.81 in.
• Included Accessories: Load-Side Lugs
  
• Face Style: Older Style Black Face
  

Material Compliance and Certifications

• Industry Standards: This molded case circuit breaker was manufactured to meet applicable industry standards and performance requirements in effect at the time of production.
• Compliance Verification: Users should verify project-specific compliance requirements, certifications, and installation standards with current local codes, equipment documentation, and application specifications before installation.
  

Where It Works Best

• Industrial facilities and manufacturing operations.
• Commercial buildings and office complexes.
• Electrical distribution panels.
• Switchboards and switchgear assemblies.
• Motor and feeder protection applications.
• Facility maintenance projects involving existing Type TFK equipment.
• Replacement installations requiring compatibility with older style black face TFK breaker configurations.
• When maintaining or servicing legacy electrical systems, the TFK236125 provides a practical solution for preserving existing system configurations while delivering the overcurrent protection required for safe electrical operation.