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Eaton Series C, KT3400T, 400A, 3-Pole, 600VAC, Thermal Magnetic, K-Frame, Trip Unit Accessory

In stock - 7 items available
SKU: KT3400T UPC: 786679266090

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SELECT ITEM CONDITION
Regular price $345.00 USD
Regular price Sale $599.99 USD Sale price $345.00 USD
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Eaton KT3400T: 400 Amp, 3-Pole, Series C K-Frame Thermal Magnetic Interchangeable Trip Unit, 600VAC, for KD/HKD/KDC and Related Frame Types, UL Listed.

  • Manufacturer: Eaton (Cutler-Hammer)
  • Brand: Eaton Series C
  • Product Range: KT Series — Interchangeable Trip Units
  • UPC: 786679266090
  • Model Number: KT3400T
  • Product Type: Molded Case Circuit Breaker Interchangeable Trip Unit Accessory
  • Amperage Rating: 400 Amps (at 40°C)
  • Poles: 3-Pole
  • Voltage: 600 Volts AC
  • Trip Type: T266 — Thermal Magnetic
  • Trip Functions: LI — Long-Time and Instantaneous 
  • Magnetic Trip Range: 2000–4000A (5–10× continuous ampere rating, adjustable) 
  • Frame: K-Frame, Series C
  • Compatible Breaker Frames: DK, KD, KDB, HKD, HKDDC, HKDB, KDC, CKD, CHKD, KG
  • Dimensions: Height: 5.4 in; Width: 4.2 in; Depth: 6.9 in
  • Weight: 1.95 lbs
  • Certifications: UL Listed

This Eaton KT3400T Series C K-Frame interchangeable thermal magnetic trip unit delivers reliable 400 Amp, 3-Pole overcurrent protection with adjustable magnetic trip settings for use in compatible K-Frame molded case circuit breakers. With LI trip functions and magnetic trip adjustment from 2000 to 4000A, it supports field replacement and reconfiguration of Series C K-Frame MCCBs in commercial and industrial distribution applications.

New Condition

  • Products in new condition are unused and in their original state.
  • Backed by our 24-month warranty, ensuring reliability and peace of mind.

Reconditioned Condition

  • Products in reconditioned condition are previously owned but have been professionally tested and inspected to ensure full functionality.
  • May include minor repairs, such as replacing damaged screws, but are not fully refurbished.
  • Covered by our 12-month warranty, guaranteeing performance.

Free Shipping on Orders Over $250

Enjoy free standard shipping on all orders over $250!

  • Applies to the contiguous United States
  • Excludes Alaska, Hawaii, U.S. territories, and oversized items
  • No promo code needed—free shipping is automatically applied at checkout when your order total is $250 or more.

For full details, please refer to our Shipping Policy.

30-Day Hassle-Free Returns

Your satisfaction is our priority!

  • Free returns within 30 days of purchase
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For complete terms, please refer to our Return Policy.