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Schneider Electric S143D - Solid State Trip Unit 600V LSI

Schneider Electric
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Schneider Electric S143D is a solid-state Micrologic trip unit engineered for advanced protection in industrial and commercial electrical systems. It provides LSI (Long-Time, Short-Time and Instantaneous) protection functions with a maximum voltage rating of 600V, ensuring precise and reliable circuit interruption. The unit weighs 1 lb and is designed as a field-replaceable component, compatible with NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL frame circuit breakers. It is UL Listed and CSA Marked, meeting stringent industry standards for safety and performance. This trip unit is ideally suited for use in demanding environments requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Solid State Trip Unit
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Voltage Rating: 600V
  • Weight: 1 lb
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Field Replaceable
  • UL Listed
  • CSA Marked