TFK236125WL - 125Amp Circuit Breaker

TFK236125WL - 125 Amp Circuit Breaker

The TFK236125WL 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. Built on the F225 line molded case frame, this breaker features an interchangeable thermal magnetic trip unit that helps you safeguard electrical equipment and circuits from overloads and fault conditions. Supplied with both line-side and load-side lugs, the TFK236125WL is designed to simplify installation while providing the form, fit, and function needed for compatible electrical systems.

Engineered for demanding power distribution applications, this TFK series breaker offers interrupting capacities of 18kA at 600VAC, 22kA at 480VAC, and 25kA at 240VAC. Its durable molded case construction is built to last and supports long-term operation in industrial facilities, manufacturing environments, commercial buildings, and other heavy-duty electrical installations. Whether you use it for branch circuit protection, feeder applications, or equipment protection, the TFK236125WL delivers the ratings and configuration required for many existing electrical systems.

Key Features and Benefits

• 125 Amp current rating: For commercial and industrial power distribution.
• 3-pole configuration: For three-phase electrical systems.
• TFK series molded case circuit breaker design: Built on the F225 line molded case frame construction.
• Interchangeable thermal magnetic trip unit: Helps safeguard electrical equipment and circuits from overloads and fault conditions.
• Includes line-side and load-side lugs: Designed to simplify installation while providing the form, fit, and function needed for compatible electrical systems.
• Interrupting ratings:
  • 18kA @ 600VAC
  • 22kA @ 480VAC
  • 25kA @ 240VAC
• Designed for overcurrent and short-circuit protection: Suitable for demanding power distribution applications.
• Built to last: Supports long-term operation in industrial facilities, manufacturing environments, commercial buildings, and other heavy-duty electrical installations.
• Suitable as a form, fit, and function replacement: In compatible installations.
  

Technical Specifications

• Part Number: TFK236125WL
  
• Series: TFK
  
• Type: Molded Case Circuit Breaker
  
• Frame: F225 Line
  
• Trip Unit: Interchangeable Thermal Magnetic
  
• Poles: 3
  
• Amperage: 125A
  
• Voltage / A.I.C. Rating: 18kA @ 600VAC; 22kA @ 480VAC; 25kA @ 240VAC
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 4.13 in.
  • Depth: 3.81 in.
• Included Accessories: Line-Side and Load-Side Lugs
  

Material Compliance and Certifications

• Electrical Application Requirements: This molded case circuit breaker is manufactured for use in electrical distribution systems requiring properly rated overcurrent protection.
• Installation Requirements: Installation and application should always comply with applicable local, state, and national electrical codes, as well as equipment manufacturer requirements.
• Compatibility Verification: Users should verify compatibility, interrupting capacity, voltage ratings, and application requirements before installation.
  

Where It Works Best

• The TFK236125WL is well suited for a variety of commercial and industrial electrical applications, including industrial control and distribution equipment, manufacturing facilities, commercial buildings, motor and equipment protection circuits, feeder and branch circuit applications, electrical switchboards and panel systems, and facility power distribution infrastructure. Its combination of a 125-amp rating, 3-pole configuration, thermal magnetic trip protection, and F225 frame design makes it a practical solution for maintaining and servicing compatible electrical systems where dependable circuit protection is required.