TJK436225WL - 225Amp Circuit Breaker

TJK436225WL - 225 Amp Circuit Breaker

The TJK436225WL molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems requiring a 225 amp, 3-pole configuration. Built as part of the trusted TJK4 Q-Line series, this breaker features a non-interchangeable thermal-magnetic trip unit with internal common trip functionality to help protect connected equipment from overloads and short circuits. Its cable-in/cable-out lug-lug design includes both line- and load-side lugs for straightforward installation and secure conductor termination. HACR rated and engineered for long-term service in demanding electrical environments, the TJK436225WL is commonly used in panelboards, switchboards, and distribution equipment where reliable overcurrent protection and compatibility with existing systems are essential. With interrupting ratings up to 42k A.I.C. at 240VAC, this breaker is built to last while providing safe, consistent power distribution.

Key Features and Benefits

• 225-amp molded case circuit breaker: Designed for commercial and industrial applications.
• 3-pole configuration: Intended for three-phase electrical systems.
• Thermal magnetic trip unit: Provides overload and short-circuit protection.
• Internal common trip mechanism: Helps disconnect all poles simultaneously during fault conditions.
• Q-Line TJK4 series compatibility: Supports form, fit, and functional replacement needs.
• Cable-in/cable-out (lug-lug) construction: Simplifies wiring connections.
• Line-side and load-side lugs included: Supports secure conductor termination and installation.
• HACR rated: Suitable for heating, air conditioning, and refrigeration applications.
• Compact molded case design: Supports installation in a variety of electrical assemblies.
• Designed for long service life: Built for demanding operating environments.
  

Technical Specifications

• Part Number: TJK436225WL
  
• Type: TJK4
  
• Product Category: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperes: 225A
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Configuration: Cable-in/Cable-out (Lug-Lug)
  
• Included Accessories: Line and Load-Side Lugs
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• HACR Rated: Yes
  

Material Compliance and Certifications

• HACR Rated: Approved for HVAC and refrigeration applications.
• Commercial and Industrial Use: Manufactured for use in commercial and industrial electrical distribution systems.
• TJK4 Product Family Standards: Designed to meet applicable molded case circuit breaker construction and performance standards associated with the TJK4 product family.
• Electrical Infrastructure Compatibility: Suitable for installations requiring dependable overcurrent protection and compatibility with existing electrical infrastructure.
  

Where It Works Best

• The TJK436225WL circuit breaker is well-suited for electrical distribution systems in commercial buildings, manufacturing facilities, industrial control systems, and HVAC-related applications. It is commonly installed in panelboards, switchgear, and switchboards where a 225-amp, 3-pole breaker is required for branch or feeder circuit protection. Its lug-lug configuration and Q-Line compatibility make it a practical choice for maintenance, retrofit, and replacement projects involving existing equipment layouts and legacy power distribution systems.