Cutler-Hammer 3TA400K – 400A Aluminum/Copper Pressure Terminal Kit

Cutler-Hammer 3TA400K – 400A Aluminum/Copper Pressure Terminal Kit (3-Pole) – New

The Cutler-Hammer 3TA400K is a high-quality, OEM terminal kit engineered to support molded case circuit breakers (MCCBs) rated up to 400 Amps. This 3-pole kit features pressure-style terminals compatible with both aluminum and copper conductors, offering versatility and reliability in demanding electrical applications.

Designed for dependable electrical and mechanical performance, the kit provides strong clamping force through its pressure lug design, helping to maintain tight connections over time—even in environments with vibration or thermal cycling. It is ideal for use in panel assemblies, service upgrades, and maintenance work, ensuring secure terminations while meeting UL safety standards.

Supplied in new, unused condition, the kit includes three terminals (one per pole), installation hardware, and manufacturer instructions for easy and safe installation.

Key Features:

• Manufacturer: Eaton / Cutler-Hammer
• Part Number: 3TA400K
• Application: Terminal Kit for MCCBs rated up to 400A
• Poles: 3-Pole Set (Three terminals)
• Material Compatibility: Aluminum (AL) and Copper (CU) conductors
• Terminal Type: Pressure-style (mechanical screw terminals)
• Amperage Rating: Up to 400 Amps
• Voltage Rating: Matches the specifications of the corresponding breaker
• Mounting Hardware: Included
• Use Case: Ideal for new installations or retrofit/field replacements
• Standards Compliance: UL listed, suitable for recognized panel assemblies
• Condition: Brand new, factory sealed

3TA400K CUTLER HAMMER 400A AL/CU PRESSURE TERMINALS (3P KIT) - NEW

Eaton molded case circuit breaker accessory terminal, Terminal, 400 A, Three-pole, (2) #3/0 AWG-250 kcmil Cu/Al, Frame J-K, Series C, Pressure type line and load Eaton s Electrical Sector under the Eaton brand offers the widest variety of molded case circuit breakers available today. Designed for electrical and machinery OEMs serving a range of industries and applications these proven designs incorporate the latest in innovation with the high reliability that has been our hallmark since the advent of the circuit breaker in the 1920s