THFK236225 **Older Style** - 225Amp Circuit Breaker

THFK236225 **Older Style** - 225Amp Circuit Breaker

The THFK236225 is a 225-amp, 3-pole molded-case circuit breaker designed for use in your commercial and industrial power distribution systems that require dependable overcurrent and short-circuit protection. This breaker features the older-style black-face design. It is part of the THFK series, making it a suitable form, fit, and function replacement for existing installations utilizing compatible THFK frame equipment. Built with an interchangeable thermal-magnetic trip unit, the THFK236225 helps you protect electrical systems from overloads and short circuits while supporting the continued operation of legacy electrical infrastructure. The breaker includes load-side lugs for installation convenience and is engineered for applications where maintaining compatibility with existing equipment is critical. Constructed to withstand demanding operating environments, these industrial-grade circuit breakers were built to last and continue serving facilities that rely on established electrical distribution systems.

Key Features and Benefits

• 225 Amp Continuous Current Rating: 225 Amp continuous current rating.
• 3-Pole Configuration: 3-pole configuration for three-phase electrical systems.
• Older Style Black Face Design: Older style black face design for compatibility with existing installations.
• Type THFK Molded Case Circuit Breaker: Type THFK molded case circuit breaker.
• Interchangeable Thermal Magnetic Trip Unit: Interchangeable thermal magnetic trip unit.
• F225 Line Molded Case Industrial Breaker Construction: F225 line molded case industrial breaker construction.
• Includes Load-Side Lugs: Includes load-side lugs.
• Provides Protection: Provides overload and short-circuit protection.
• Commercial and Industrial Applications: Designed for commercial and industrial power distribution applications.
• Form, Fit, and Function Replacement: Suitable as a form, fit, and function replacement in compatible THFK systems.
• Compact Footprint: Compact footprint relative to its current capacity.
• Built for Long-Term Service: Built for long-term service in demanding electrical environments.
  

Technical Specifications

• Part Number: THFK236225
  
• Type: THFK
  
• Frame: F225 Line
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Trip Unit: Interchangeable Thermal Magnetic
  
• Poles: 3
  
• Amperage Rating: 225 Amps
  
• Voltage / Interrupting Rating:
  • 18kA @ 600VAC
  • 25kA @ 480VAC
  • 65kA @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 4.13 in.
  • Depth: 3.81 in.
• Terminals: include Load-Side Lugs
  
• Face Style: Older Style Black Face
  

Material Compliance and Certifications

• Industry Standards: This molded case circuit breaker was originally manufactured for use in commercial and industrial electrical distribution systems. It was designed to meet applicable industry standards in effect at the time of production.
• Application Verification: Users should verify all compliance, certification, and application requirements with current project specifications, local electrical codes, and installation standards before use.
  

Where It Works Best

• The THFK236225 is well-suited for a variety of electrical distribution applications, including industrial manufacturing facilities, commercial buildings, distribution panels and switchboards, motor and equipment protection circuits, power distribution systems requiring a 225-amp, 3-pole breaker, maintenance and replacement projects involving compatible THFK equipment, and facilities seeking to maintain existing electrical system configurations without modifying equipment layouts. Its combination of a 225-amp rating, thermal magnetic protection, and compatibility with established THFK installations makes it an effective solution for maintaining and servicing existing commercial and industrial electrical systems.