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Schneider Electric S142N - Trip Unit 600V (Micrologic LS)

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Schneider Electric S142N is a field-installable Micrologic solid-state trip unit designed for electronic overcurrent protection in electrical distribution systems. It provides LS (Long-Time and Short-Time) protection functions and is rated for 600V, ensuring reliable fault management for compatible circuit breaker frames. The unit weighs 1 lb and supports field installation across a wide range of frames including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL. It is UL 489 Listed and carries certifications including CSA, NEMA, NMX, VDE, BS, CCC, IEC, and CE, meeting rigorous industry standards. This trip unit is suitable for industrial and commercial environments requiring flexible, upgradeable protection in molded case circuit breakers.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Trip Units & Programmers
  • Family: Micrologic
  • Type: S142
  • Weight: 1 lb
  • Functions: LS - Long-Time and Short-Time
  • Voltage Rating: 600V
  • Protection: Solid State
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Mounting Type: Field-installable
  • Certifications: UL 489 Listed, CSA, NEMA, NMX, VDE, BS, CCC, IEC, CE


Part Number: S142N