Eaton DK3400W Molded Case Circuit Breaker – 400A – 3-Pole / 3-Phase – 240V – 65kA @ 240V – Bolt-On – Series C DK

The Eaton DK3400W is a 400A, 3-pole, 3-phase molded case circuit breaker from the Eaton Cutler-Hammer Series C Type DK Series. It features thermal-magnetic protection, a standard interrupting capacity, and a non-interchangeable trip with Long-Time and Instantaneous (LI) trip functions.

The DK3400W is rated for 240V and provides a 65kA interrupting rating at 240V. It uses a bolt-on mounting configuration and is supplied without lugs.

Specifications:

• Manufacturer: Eaton / Cutler-Hammer
• Product Type: Molded Case Circuit Breaker
• Product Family: Series C
• Series: DK
• Type: DK
• Catalog No.: DK3400W
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 240V
• Interrupting Rating: 65kA @ 240V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Type: Non-Interchangeable
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Bolt-On
• Lugs: Not Included
• Temperature Rating: 40°C
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Eaton / Cutler-Hammer

Part Numbers & Identification:

• Manufacturer Part Number (MPN): DK3400W
• Catalog Number: DK3400W
• Product Family: Eaton Series C Molded Case Circuit Breakers
• Series: DK
• Type: DK
• Brand: Eaton / Cutler-Hammer
• Manufacturer: Eaton
• Product Type: Molded Case Circuit Breaker
• Model: DK3400W
• Breaker Configuration: 3-Pole, 400A
• UPC:786679044698

Compatibility:

Designed for use with compatible Eaton / Cutler-Hammer Series C Type DK electrical distribution equipment that accepts bolt-on molded case circuit breakers. The DK3400W provides 400A, 3-pole thermal-magnetic protection for compatible 240V, 3-phase applications.

The breaker features non-interchangeable LI trip functions and is supplied without lugs. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, mounting arrangement, terminal requirements, and installation requirements before installation.

Certifications:

• Series C DK Series
• 400A Rated
• 3-Pole / 3-Phase
• 240V Rated
• 65kA @ 240V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Non-Interchangeable Trip
• Long-Time and Instantaneous (LI) Trip Functions
• Bolt-On Mounting
• Lugs Not Included
• 40°C Rated

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