TA801MA - 800A M-frame Lug

TA801MA -  800A M-frame Lug

The Eaton TA801MA molded case circuit breaker accessory is designed to provide secure conductor termination for Eaton MAM, HMAM, and MAMH series breakers. Built for high-capacity electrical distribution systems, this accessory includes optional aluminum/copper pressure terminals that support large conductors used in demanding commercial and industrial installations. Rated for 800 amps, the TA801MA allows electricians to connect two 500–750 kcmil copper or aluminum conductors, helping ensure dependable current transfer and a solid electrical connection. Its compact form factor allows it to integrate smoothly with Frame J-K circuit breakers, making it a practical choice for technicians who need a reliable termination solution when configuring or servicing high-amp Eaton breaker systems. With Eaton’s well-known build quality and a UL Listed certification, the TA801MA is designed to support safe, consistent performance in professional electrical applications.

Key Features and Benefits

• Designed for Eaton MAM-Series Breakers – Compatible with MAM, HMAM, and MAMH molded case circuit breakers.
• 800 Amp Capacity – Suitable for high-load electrical distribution applications.
• Optional Aluminum/Copper Pressure Terminals – Supports both Cu and Al conductors, giving installers flexibility.
• Large Conductor Range – Accepts (2) 500–750 kcmil wires, ideal for heavy electrical feeders.
• Secure Wire Termination – Pressure terminal design helps maintain stable electrical connections.
• Compact Breaker Accessory – Designed to fit Frame J-K breaker configurations without unnecessary space requirements.
  

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: TA801MA
  
• UPC: 786679679289
  
• Product Type: Molded case circuit breaker accessory
  
• Amperage Rating: 800 A
  
• Frame Size: J–K
  
• Compatible Breakers: MAM, HMAM, MAMH
  
• Terminal Type: Optional aluminum/copper pressure terminals
  
• Wire Size: (2) 500–750 kcmil Cu/Al
  
• Dimensions:
  • Length / Depth: 3.2 in
  • Height: 4.5 in
  • Width: 2.5 in
• Weight: 0.75 lb

Material Compliance and Certifications

• UL Listed: The TA801MA circuit breaker accessory is UL Listed, confirming it meets recognized safety and performance standards for electrical equipment.
• Manufacturing Quality: Eaton products are manufactured with strict quality controls to support dependable operation in professional electrical systems.
  

Where It Works Best

• The Eaton TA801MA is commonly used in commercial buildings, industrial facilities, and large electrical distribution systems where high-amperage molded case breakers are installed. It works well in switchgear assemblies, power distribution equipment, and heavy-duty electrical panels that require reliable termination of large copper or aluminum conductors. For electricians installing or maintaining Eaton MAM-series breakers, this accessory provides a straightforward way to connect high-capacity feeder cables while maintaining safe and consistent electrical performance.