Eaton 3TA400K 400A Series C Terminal Kit – Frame J-K

The Eaton 3TA400K is a molded case circuit breaker accessory terminal kit designed for Series C circuit breakers. Rated at 400A, it is intended for use with Frame J-K configurations and provides secure pressure-type line and load connections. This terminal kit supports copper and aluminum conductors sized (2) #3/0 AWG to 250 kcmil and is built for reliable performance in demanding industrial and commercial electrical distribution systems.

Voltage and Rating

• Current Rating: 400A
• Frame Size: Frame J-K
• Series: Series C
• Number of Poles: Three-pole

Key Specifications

• Manufacturer: Eaton
• Catalog Number: 3TA400K
• Product Type: Molded Case Circuit Breaker Accessory
• Type: Terminal
• Terminals: Pressure Type Line and Load
• Wire Size: (2) #3/0 AWG – 250 kcmil Cu/Al
• Certifications: UL Listed
• Global Catalog Number: 3TA400K

Physical Details

• Product Length/Depth: 6.4 in
• Product Height: 4.7 in
• Product Width: 4 in
• Product Weight: 1.1 lb

Product Data

• Application: Line and load terminal accessory for molded case circuit breakers
• Compatibility: Series C Frame J-K systems
• Function: Provides secure electrical termination for high-capacity conductors
• Warranty: Eaton Selling Policy 25-000, one (1) year from installation or eighteen (18) months from shipment, whichever occurs first