TJC36400E **Older Style** - 400Amp Motor Circuit Protector

TJC36400E **Older Style** - 400 Amp Motor Circuit Protector

When you’re maintaining existing electrical equipment, finding the right replacement matters. The TJC36400E motor circuit protector is designed for applications that require reliable motor protection while maintaining the form and fit of compatible legacy systems. Featuring the older-style black-face design, this 3-pole, 400-amp breaker is commonly used in industrial and commercial power distribution systems, where compatibility with existing equipment helps keep projects moving without unnecessary modifications.

Designed for motor circuit protection, the TJC36400E delivers interrupting capacities rated at 22k A.I.C. at 600VAC, 30k A.I.C. at 480VAC, and 42k A.I.C. at 240VAC. Its molded case construction is designed to withstand the day-to-day demands of manufacturing facilities, motor control centers, and large-scale electrical distribution systems. With a compact footprint and solid build quality, this breaker remains a practical choice for maintaining established infrastructure that was built to last.

Key Features and Benefits

• Older style black face configuration: For compatibility with existing electrical equipment.
• 3-pole design: For use in three-phase systems.
• 400 amp rating: Suited for larger motor protection applications.
• Motor circuit protector: Designed for industrial and commercial environments.
• Interrupting ratings include:
  • 22k A.I.C. @ 600VAC
  • 30k A.I.C. @ 480VAC
  • 42k A.I.C. @ 240VAC
• Compact molded case design: Helps fit compatible panel and switchgear layouts.
• Built for long-term use: In demanding operating conditions.
• Supports maintenance and replacement needs: In legacy electrical systems.
  

Technical Specifications

• Part Number: TJC36400E
  
• Type: TJC
  
• Style: Older Style Black Face
  
• Poles: 3
  
• Amperage: 400A
  
• A.I.C. Rating & Voltage: 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  
• Application: Motor Circuit Protector
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 4.0 in.

Material Compliance and Certifications

• North American Electrical Distribution Systems: The TJC36400E was manufactured for use in North American electrical distribution systems.
• Industry Standards: It was designed to align with applicable industry standards for molded-case circuit protection equipment at the time of production.
• Installation Review: A qualified electrician or electrical contractor should always review installation and application to ensure compatibility with the intended system and local code requirements.
  

Where It Works Best

• The TJC36400E is a strong fit for facilities that continue to operate established electrical infrastructure and need replacement components that match existing configurations.
• Common applications include:
  • Motor control centers (MCCs)
  • Industrial manufacturing facilities
  • Commercial distribution equipment
  • Processing plants
  • Large HVAC systems
  • Heavy-duty motor protection applications
• Because of its older-style black-face design, this breaker is especially useful in projects where maintaining the original equipment layout and appearance helps simplify installation and reduce downtime.