Eaton DK3400K Molded Case Circuit Breaker – 400A – 3-Pole / 3-Phase – 240V – 65kA @ 240V – Feed-Thru – Series C DK

The Eaton DK3400K is a 400A, 3-pole, 3-phase molded case circuit breaker from the Eaton / Cutler-Hammer / Westinghouse Series C Type DK. It is configured as a non-automatic switch with no overcurrent protection.

The DK3400K is rated for 240V and provides a 65kA interrupting rating at 240V with standard interrupting capacity. It features a feed-thru configuration, a non-interchangeable trip unit, and line- and load-side lug terminals.

Specifications:

• Manufacturer: Eaton / Cutler-Hammer / Westinghouse
• Product Type: Molded Case Circuit Breaker
• Product Family: Series C
• Series: Series C
• Type: DK
• Catalog No.: DK3400K
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 240V
• Interrupting Rating: 65kA @ 240V
• Interrupting Capacity: Standard
• Overcurrent Protection: None
• Protection Type: No Overcurrent Protection
• Trip Unit: Non-Interchangeable
• Mounting / Configuration: Feed-Thru
• Terminal Type: Line-Side and Load-Side Lug Terminals
• Switch Type: Non-Automatic Switch
• Application: Electrical Distribution Switching
• Brand: Eaton / Cutler-Hammer / Westinghouse

Part Numbers & Identification:

• Manufacturer Part Number (MPN): DK3400K
• Catalog Number: DK3400K
• Model: DK3400K
• Product Family: Eaton Series C Molded Case Circuit Breakers
• Series: Series C
• Type: DK
• Brand: Eaton / Cutler-Hammer
• Manufacturer: Eaton
• Product Type: Molded Case Circuit Breaker / Non-Automatic Switch
• Breaker Configuration: 3-Pole, 400A
• Trip Configuration: Non-Interchangeable Trip Unit
• Overcurrent Protection: None
• UPC:786679342725

Compatibility:

Designed for use with compatible Eaton / Cutler-Hammer / Westinghouse Series C Type DK electrical distribution equipment that accepts DK Series molded case devices. The DK3400K provides 400A, 3-pole switching for compatible 240V applications and is configured without overcurrent protection.

The device features a feed-thru configuration with line- and load-side lug terminals and a non-interchangeable trip unit. Always verify the specific panelboard or electrical equipment model, approved device type, system voltage, available fault current, pole configuration, terminal arrangement, and installation requirements before installation.

Certifications:

• Series C DK
• 400A Rated
• 3-Pole / 3-Phase
• 240V Rated
• 65kA @ 240V Interrupting Rating
• Standard Interrupting Capacity
• No Overcurrent Protection
• Non-Automatic Switch
• Non-Interchangeable Trip Unit
• Feed-Thru Configuration
• Line-Side and Load-Side Lug Terminals

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