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Eaton DA3400W - Molded Case Breaker 400A 3-Pole

Cutler Hammer
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Eaton DA3400W is a three-pole molded case circuit breaker from the AB DE-ION family, designed to provide overcurrent and short-circuit protection in industrial and commercial power distribution systems. It is rated for 400A at 240V AC with a 30kA interrupting capacity at 480V, utilizing a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) protection functions. The unit weighs 20 lb and features a bolt-on connection for secure panel mounting. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include main and branch circuit protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: DA
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240 Vac, 250 Vdc
  • Current Rating: 400A
  • Number of Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 30 kA at 480V
  • Weight: 20 lb
  • Frequency: 50/60 Hz