TJK436250WL - 250Amp Circuit Breaker

TJK436250WL - 250 Amp Circuit Breaker

The TJK436250WL molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems where consistent performance and compatibility matter. Built as part of the trusted TJK4 Q-Line series, this 3-pole breaker features a 250-amp rating and a thermal-magnetic trip unit with internal common trip functionality to help protect electrical equipment from overloads and short circuits. Its cable-in/cable-out lug-lug configuration simplifies installation in a variety of panel and switchgear applications. At the same time, the included line- and load-side lugs support secure conductor termination right out of the box. Designed for long service life in demanding environments, the TJK436250WL is a practical solution for maintaining or replacing existing electrical infrastructure that requires matching form, fit, and function.

Key Features and Benefits

• 250A Molded Case Circuit Breaker: Designed for commercial and industrial power distribution applications requiring dependable circuit protection.
• 3-Pole Configuration: Suitable for three-phase electrical systems and compatible with a variety of distribution equipment applications.
• Thermal Magnetic Trip Unit: Helps protect against overloads and short circuits through reliable thermal-magnetic trip functionality.
• Internal Common Trip Mechanism: Disconnects all poles simultaneously during fault conditions to help protect connected electrical equipment.
• Q-Line Compatibility: Built as part of the trusted TJK4 Q-Line series for compatibility with existing electrical systems and equipment.
• Cable-In/Cable-Out Lug-Lug Configuration: Supports straightforward installation in panelboards, switchgear, and related applications.
• Includes Line- and Load-Side Lugs: Allows for secure conductor termination right out of the box.
• HACR Rated: Approved for use with heating, air conditioning, and refrigeration equipment applications.
• Built for Durability: Designed for long-term operation in demanding commercial and industrial environments.
  

Technical Specifications

• Part Number: TJK436250WL
  
• Type: TJK4
  
• Poles: 3
  
• Amperage: 250A
  
• Trip Unit: Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Connection Type: Cable-in/Cable-out (Lug-Lug)
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• Additional Features: Include Line and Load-Side Lugs, HACR Rated
  

Material Compliance and Certifications

• HACR Rated: Approved for heating, air conditioning, and refrigeration equipment applications.
• Commercial and Industrial Use: Manufactured for use in commercial and industrial electrical systems requiring molded case circuit protection.
• Industry Standards: Designed to meet applicable industry standards associated with molded case circuit breakers and electrical distribution equipment.
  

Where It Works Best

• The TJK436250WL is well-suited for use in commercial buildings, industrial facilities, manufacturing operations, mechanical equipment rooms, and electrical distribution systems that require a 250A, 3-pole molded-case circuit breaker. It is commonly used in switchboards, panelboards, motor control applications, and HVAC-related installations where maintaining compatibility with existing electrical infrastructure is important. Its lug-lug configuration and common trip operation also make it a practical choice for service replacement and maintenance projects involving legacy systems.