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Eaton LD3400Y - Molded Case 400A 600V 3-Pole

Cutler Hammer
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Eaton LD3400Y is a 400 Amp, 3-pole molded case circuit breaker from the Series C family, designed for thermal magnetic protection in three-phase power distribution systems. It operates at a voltage rating of 600 VAC and 250 VDC, with a current rating of 400A, and provides an interrupting capacity of 35kA at 480 VAC. This L-frame breaker features a bolt-on connection and LI (Long-Time and Instantaneous) trip functions, weighing 20 lb. It complies with industry standards for industrial and commercial applications, ensuring reliable fault current interruption. Typical applications include industrial power distribution, commercial electrical panels, and motor control centers.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Eaton
  • Family: Series C
  • Type: LD
  • Frame Size: L Frame
  • Amperage: 400 Amp
  • Voltage: 600 VAC, 250 VDC
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 35kA@480V
  • Interrupt Rating AC: 65 kA at 240 VAC, 35 kA at 480 VAC
  • Interrupt Rating DC: 35 kA
  • Weight: 20 lb