TJJ436225 **Older Style** - 225Amp Circuit Breaker

TJJ436225  **Older Style** - 225 Amp Circuit Breaker

The TJJ436225 molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems where maintaining compatibility with existing equipment is essential. This 3-pole, 225-amp breaker features the older style black face design commonly used in legacy installations and is built with a non-interchangeable thermal magnetic trip unit and internal common trip mechanism for coordinated protection across all poles. As part of the Q-Line family, the TJJ436225 is configured for bolt-on mounting and includes load-side lugs for streamlined installation. HACR rating makes it suitable for heating, air conditioning, and refrigeration applications, while its interrupting capacities support demanding electrical environments operating at up to 600VAC. Built to last and engineered for form, fit, and functional replacement, this breaker is a practical solution for maintaining and servicing existing power distribution systems.

Key Features and Benefits

• 225 Amp, 3-Pole molded case circuit breaker: Designed for dependable circuit protection in commercial and industrial electrical distribution systems.
• Older style black face configuration: Commonly used in legacy installations where maintaining compatibility with existing equipment is essential.
• Thermal magnetic trip unit: Provides protection against overloads and short circuits for dependable system operation.
• Internal common trip mechanism: Disconnects all poles simultaneously during fault conditions for coordinated protection across all poles.
• Bolt-on mounting style: Helps ensure secure panelboard installation in existing Q-Line infrastructure.
• Includes load-side lugs: Adds installation convenience for streamlined setup and maintenance.
• HACR rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Designed for use in systems up to 600VAC: Supports demanding electrical environments in commercial and industrial applications.
• Built for long-term service: Engineered for maintaining and servicing legacy electrical infrastructure.
  

Technical Specifications

• Part Number: TJJ436225
  
• Type: TJJ
  
• Product Style: Older Style Black Face
  
• Poles: 3
  
• Amperage Rating: 225A
  
• Voltage Ratings: 600VAC Maximum
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Mounting Style: Bolt-On
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Configuration: Internal Common Trip
  
• Series: Q-Line
  
• 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

• Commercial and Industrial Use: The TJJ436225 circuit breaker is manufactured for use in commercial and industrial electrical systems requiring dependable branch and feeder circuit protection.
• HACR Rating: Supports use with heating, ventilation, air conditioning, and refrigeration equipment where applicable.
• Operational Standards: Designed to meet standard operational requirements associated with molded case circuit breakers used in legacy power distribution equipment.
  

Where It Works Best

• The TJJ436225 is commonly used in commercial buildings, industrial facilities, manufacturing environments, and large-scale electrical distribution systems that rely on existing Q-Line infrastructure. It is especially well suited for maintenance applications where matching the original breaker style, mounting configuration, and electrical ratings is important for continued system operation. Typical applications include panelboards, switchboards, HVAC equipment, motor distribution circuits, and facility power management systems requiring a 225-amp, 3-pole breaker with high interrupting capacity.