THFK236090WL **Older Style** - 90 Amp Circuit Breaker

THFK236090WL **Older Style** - 90 Amp Circuit Breaker

The THFK236090WL is a 90-amp, 3-pole THFK molded case circuit breaker designed for your industrial and commercial power distribution systems requiring dependable overcurrent and short-circuit protection. Featuring an older style black face and built on the F225 line molded case frame, this breaker incorporates an interchangeable thermal magnetic trip unit that helps you to protect electrical equipment and conductors from damage caused by overloads and fault conditions. The unit includes both line-side and load-side lugs, simplifying installation and helping you ensure proper conductor termination. Designed for long service life in demanding electrical environments, the THFK236090WL is well-suited for maintenance, repair, and replacement applications where matching form, fit, and function is important.

Key Features and Benefits

• 90 amp current rating: for branch and feeder circuit protection.
• 3-pole configuration: for three-phase electrical systems.
• THFK series molded case circuit breaker design: built for industrial and commercial applications.
• Older style black face construction: for compatibility with existing equipment.
• F225 line molded case frame: designed to match existing installations requiring this frame type.
• Interchangeable thermal magnetic trip unit: provides protection against overloads and short-circuit faults.
• Includes both line-side and load-side lugs: simplifying installation and helping ensure proper conductor termination.
• Suitable for industrial and commercial electrical distribution systems: built for long-term service in demanding operating environments.
  

Technical Specifications

• Part Number: THFK236090WL
  
• Type: THFK
  
• Frame: F225 Line Molded Case
  
• Trip Unit: Interchangeable Thermal Magnetic
  
• Poles: 3
  
• Amperage Rating: 90 Amps
  
• Voltage & Interrupting Rating:
  • 18kA @ 600VAC
  • 25kA @ 480VAC
  • 65kA @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 4.13 in.
  • Depth: 3.81 in.
• Included Accessories: Line-Side and Load-Side Lugs
  
• Face Style: Older Style Black Face
  

Material Compliance and Certifications

• Industry Standards: The THFK236090WL is manufactured for use in commercial and industrial electrical systems and is designed to meet applicable industry standards associated with molded case circuit breaker construction and operation.
• Compliance Verification: Users should verify project-specific compliance, certification, and installation requirements with local electrical codes, engineering specifications, and authority having jurisdiction (AHJ) guidelines before installation.
  

Where It Works Best

• The THFK236090WL is commonly used in industrial facilities and manufacturing plants, commercial buildings and office complexes, power distribution equipment, switchboards and panelboard applications, facility maintenance and electrical system repairs, replacement projects requiring a compatible THFK series breaker, and existing installations utilizing F225 frame molded case circuit breakers. Its combination of a 90-amp rating, three-pole configuration, and thermal magnetic protection makes it a practical solution for protecting feeders, distribution circuits, and connected equipment in three-phase power systems where maintaining compatibility with existing equipment is a priority.