THFK236090WL - 90 Amp Circuit Breaker

THFK236090WL - 90 Amp Circuit Breaker

The THFK236090WL is a 90 amp, 3 pole molded case circuit breaker designed for use in commercial and industrial electrical distribution systems. Built on the F225 frame, this breaker features an interchangeable thermal magnetic trip unit that helps protect equipment and circuits from overloads and short-circuit conditions. Line-side and load-side lugs are included, making it easier to install in compatible applications. Whether you're maintaining existing switchgear, servicing a panelboard, or replacing a damaged unit in an operating facility, the THFK236090WL provides the form, fit, and function required for many legacy electrical systems. Its interrupting ratings of 65kA at 240VAC, 25kA at 480VAC, and 18kA at 600VAC make it suitable for a wide range of power distribution environments. Built for long-term service, this breaker was designed to withstand the demands commonly found in industrial facilities, manufacturing plants, and commercial buildings.

Key Features and Benefits

• THFK Series Molded Case Circuit Breaker: THFK series molded case circuit breaker.
• 90 Amp Continuous Current Rating: 90 amp continuous current rating.
• 3-Pole Configuration: 3-pole configuration for three-phase systems.
• Interchangeable Thermal Magnetic Trip Unit: Interchangeable thermal magnetic trip unit.
• F225 Line Molded Case Frame: F225 line molded case frame.
• Includes Line-Side and Load-Side Lugs: Includes line-side and load-side lugs.
• Overcurrent and Short-Circuit Protection: Designed for overcurrent and short-circuit protection.
• Compact Design: Compact design for use in compatible switchboards, panelboards, and distribution equipment.
• Built for Long Service Life: Built for long service life in demanding electrical environments.
  

Technical Specifications

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

Material Compliance and Certifications

• Industry Standards: This circuit breaker was manufactured to meet applicable industry standards in effect at the time of production.
• Verification: Verification of specific certifications, code requirements, and application suitability should be performed prior to installation.
  

Where It Works Best

• The THFK236090WL is commonly used in industrial facilities, manufacturing plants, commercial buildings, distribution equipment, panelboards, switchboards, motor control applications, electrical maintenance and retrofit projects, and three-phase power distribution systems. Its combination of a 90 amp rating, three-pole design, and thermal magnetic protection makes it a practical choice for protecting feeders and distribution circuits in compatible electrical systems.