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Schneider Electric S174R - Trip Unit 600V (LSIG Protection)

Schneider Electric
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Schneider Electric S174R is a solid-state molded case circuit breaker trip unit designed for precise protection in industrial and commercial power distribution systems. It provides LSIG protection functions—Long-Time, Short-Time, Instantaneous, and Ground Fault—with a voltage rating of 600V AC. The unit weighs 1 lb and is compatible with a wide range of frames including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL. It is certified to UL, CSA, and IEC standards for safety and performance. This trip unit is typically applied in demanding electrical environments requiring coordinated overcurrent and ground fault protection.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Trip Units & Programmers
  • Family: Micrologic
  • Type: S174
  • Weight: 1 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V AC
  • Protection: Solid State
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Amperage: 150A
  • Poles: 2
  • Mounting Type: Standard
  • Interrupt Rating: 65kA
  • Series/Frame: PowerPact S-Frame
  • Trip Unit: Micrologic
  • Certifications: UL Listed, CSA Certified, IEC Rated
  • GTIN/UPC: 785901571056


Part Number: S174R