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Square D LE3400U31X - Solid State Trip Unit 600V 400A

Square D
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Square D LE3400U31X is a solid-state trip unit designed for use with Powerpact circuit breakers, providing long-time and instantaneous (LI) protection functions. This three-pole unit is rated for 600V and covers an adjustable amperage range from 125A to 400A. Weighing 5 lb, it is constructed for integration into compatible L-frame breakers, including LDA, LDF, LDL, LDM, LDP, LDN, LDD, LDS, LGA, LGF, LGL, LGM, LGP, LGN, LGD, LGS, LJA, LJF, LJM, LJP, LJN, LJS, LLA, LLF, LLL, LLM, LLP, LLN, LLD, LLS, LRA, LRL, LRM, LRP, and LRF frames. The unit complies with industry standards for overcurrent protection in industrial environments. Typical applications include motor control centers, switchboards, and distribution panels requiring precise solid-state trip coordination.

Key Features & Specifications
  • Type: Solid State Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 125A to 400A
  • Poles: 3
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Solid State
  • Weight: 5 lb
  • Compatible Frames: LDA, LDF, LDL, LDM, LDP, LDN, LDD, LDS, LGA, LGF, LGL, LGM, LGP, LGN, LGD, LGS, LJA, LJF, LJM, LJP, LJN, LJS, LLA, LLF, LLL, LLM, LLP, LLN, LLD, LLS, LRA, LRL, LRM, LRP, LRF


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