Eaton KDB3400K Molded Case Circuit Breaker – 400A – 3-Pole / 3-Phase – 600V – 65kA @ 240V / 35kA @ 480V – Feed-Thru – Series C KDB

The Eaton KDB3400K is a 400A, 3-pole, 3-phase molded case circuit breaker from the Eaton Series C Type KDB. It features thermal-magnetic protection with a non-interchangeable trip and Long-Time and Instantaneous (LI) trip functions.

The breaker is rated for 600V and provides interrupting ratings of 65kA at 240V and 35kA at 480V with standard interrupting capacity. It features a feed-thru configuration with line-side and load-side lug terminals and is rated for operation at 40°C.

Specifications:

• Manufacturer: Eaton / Cutler-Hammer
• Product Type: Molded Case Circuit Breaker
• Product Family: Series C
• Series: KDB
• Type: KDB
• Catalog No.: KDB3400K
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 65kA @ 240V; 35kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Type: Non-Interchangeable
• Trip Functions: Long-Time and Instantaneous (LI)
• Connection / Configuration: Feed-Thru
• Terminal Type: Line-Side and Load-Side Lug Terminals
• Temperature Rating: 40°C
• Application: Electrical Distribution and Overcurrent Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN): KDB3400K
• Catalog Number: KDB3400K
• Model: KDB3400K
• Product Family: Eaton Series C Molded Case Circuit Breakers
• Series: KDB
• Type: KDB
• Brand: Eaton / Cutler-Hammer
• Manufacturer: Eaton
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 400A
• UPC:786679234549

Compatibility:

Designed for use with compatible Eaton / Cutler-Hammer Series C Type KDB electrical distribution equipment that accepts KDB Series molded case circuit breakers. The KDB3400K provides 400A, 3-pole thermal-magnetic overcurrent protection for compatible 600V electrical distribution applications.

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

Certifications:

• No specific certification information provided

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.