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Cutler Hammer LT3400TA - Trip Unit 400A Thermal Magnetic

Cutler Hammer
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Cutler Hammer LT3400TA is a Series C molded case circuit breaker trip unit designed for LT frame breakers, providing long-time and instantaneous (LI) protection via a thermal magnetic trip mechanism. It is rated for 690V AC maximum and 400A continuous current across three poles, with a compact 1 in x 1 in x 1 in footprint and a weight of 1 lb. The unit is UL Listed for safety compliance and is compatible with LW, HLW, and LWC frames, making it suitable for precise industrial circuit breaker applications requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: LT
  • Family: Series C
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Voltage Rating: 690V
  • Amperage Rating: 400 A
  • Number of Poles: 3
  • Dimensions: 1 in x 1 in x 1 in (Length/Depth x Height x Width)
  • Weight: 1 lb
  • Certification: UL Listed
  • Compatible Frames: LW, HLW, LWC
  • Country of Origin: United States


Product Identification
  • UPC: 78667955634
  • GTIN: 00786679556344