TJK436250 **Older Style** - 250Amp Circuit Breaker

TJK436250 **Older Style** - 250 Amp Circuit Breaker

The TJK436250 Older Style Black Face molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems that require a compatible replacement for existing GE Q-Line equipment. Built with a thermal magnetic trip unit and internal common trip functionality, this 3-pole breaker helps you protect connected systems from overloads and short circuits while maintaining fit and function within compatible panelboard and switchgear applications. Its bolt-on mounting style supports a secure installation, while the included load-side lugs help simplify field connections. With HACR rating capability and strong interrupting capacities across multiple voltage classes, the TJK436250 is commonly used in demanding power distribution environments where long-term durability and dependable operation matter.

Key Features and Benefits

• Older Style Black Face Configuration: Older Style Black Face configuration for compatibility with existing installations.
• GE Q-Line Design: Designed as a GE Q-Line bolt-on molded case circuit breaker.
• 3-Pole Construction: 3-pole construction suitable for three-phase electrical systems.
• Thermal Magnetic Protection: Thermal magnetic trip unit provides both overload and short-circuit protection.
• Internal Common Trip: Internal common trip mechanism disconnects all poles simultaneously during fault conditions.
• Load-Side Lugs Included: Includes load-side lugs for convenient installation and conductor termination.
• HACR Rated: HACR rated for heating, air conditioning, and refrigeration equipment applications.
• Commercial and Industrial Use: Built for commercial and industrial power distribution environments.
• Compact Footprint: Compact footprint helps support installation in compatible legacy electrical systems.
• Long Service Life: Engineered for long service life in properly maintained electrical infrastructure.
  

Technical Specifications

• Part Number: TJK436250
  
• Series / Type: TJK4
  
• Frame Style: Older Style Black Face
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperage Rating: 250 Amps
  
• Voltage & A.I.C. Ratings: 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Function: Internal Common Trip
  
• HACR Rated: Yes
  
• Included Accessories: Load-Side Lugs
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.

Material Compliance and Certifications

• HACR Certification: The TJK436250 circuit breaker is manufactured for use in electrical distribution systems requiring properly rated molded case circuit protection. HACR certification supports applications involving heating, cooling, and refrigeration equipment where compliant overcurrent protection is required.
• Application Verification: Always confirm compatibility, code requirements, and application specifications before installation.
  

Where It Works Best

• The TJK436250 is commonly installed in commercial buildings, industrial facilities, manufacturing plants, and larger electrical distribution systems utilizing compatible GE Q-Line equipment. It works well in panelboards, switchboards, and distribution assemblies requiring a 250A, 3-pole bolt-on breaker with thermal magnetic protection. This breaker is especially useful for maintaining continuity in existing electrical systems where matching form, fit, and electrical ratings are important.