MJA36800E10 - 800A PowerPacT Adjustable Trip I-Line Circuit Breaker

MJA36800E10 - 800A PowerPacT Adjustable Trip I-Line Circuit Breaker

When your electrical system requires dependable protection at higher power levels, the MJA36800E10 800-amp circuit breaker is built to help protect critical equipment and distribution systems. This 3-pole Type MJA circuit breaker is designed for demanding commercial and industrial applications where reliable overcurrent protection and strong interrupting performance are essential. With a 65 kA interrupting rating at 480 VAC, the MJA36800E10 helps safely manage high fault current while supporting the continued operation of critical electrical equipment.

Whether you are maintaining an existing power distribution system, upgrading electrical infrastructure, or supporting a large-scale facility, having the right circuit breaker can make a major difference. The MJA36800E10 delivers an 800-amp capacity and three-phase protection in a design suited for applications that require consistent performance, dependable operation, and protection against electrical overloads and short circuits.

Key Features and Benefits

• High 800 Amp Capacity: Designed for electrical systems that require substantial current handling capability, making it suitable for large commercial and industrial applications.
• 3-Pole Circuit Protection: Protects three-phase electrical systems, helping safeguard connected equipment and distribution components.
• 65 kA @ 480 VAC Interrupting Rating: Helps safely interrupt significant fault currents, improving protection for electrical systems with higher available fault levels.
• Type MJA Design: Built for reliable performance in demanding power distribution environments.
• Supports Equipment Protection: Helps reduce the risk of damage from electrical overloads and short circuits.
• Designed for Heavy-Duty Applications: A practical choice for facilities that depend on reliable electrical distribution and uptime.
  

Technical Specifications

• Part Number: MJA36800E10
  
• Circuit Breaker Type: MJA
  
• Number of Poles: 3
  
• Amperage Rating: 800 Amps
  
• A.I.C. Rating: 65kA at 480VAC
  
• Dimensions:
  • Height: 13.4 inches
  • Width: 8.27 inches
  • Depth: 8.05 inches

Material Compliance and Certifications

• Certification and Compliance: The MJA36800E10 should be installed and maintained in accordance with applicable electrical codes, manufacturer specifications, and system requirements. Certification and compliance details may depend on the specific manufacturing configuration and available product documentation.
  

Where It Works Best

• The MJA36800E10 800A circuit breaker is a strong fit for electrical systems that require dependable protection and high current capacity. It is commonly used in applications such as:
  • Industrial power distribution systems
  • Manufacturing and processing facilities
  • Commercial buildings with high electrical demand
  • Large-scale electrical panels and switchgear applications
  • Institutional facilities
  • Critical power environments requiring reliable circuit protection
  Choosing the right circuit breaker is about more than matching an amp rating—it is about protecting your equipment, supporting safe electrical operation, and keeping your power system performing as intended. The MJA36800E10 800-amp, 3-pole circuit breaker provides the capacity and interrupting performance required for demanding electrical distribution applications.