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Square D S142R - Solid-State Trip Unit 600V (LS Protection)

Square D
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Square D S142R is a solid-state trip unit designed for advanced circuit protection in industrial power distribution systems. It provides precise long-time and short-time (LS) protection functions for low-voltage power circuit breakers, operating with a 600V AC rating. The unit features a compact design measuring 136.65 mm in depth and 143.26 mm in width, with a weight of 3.001 lb, and is constructed for reliable integration. It is CSA and UL listed, ensuring compliance with North American safety standards, and is engineered for use in critical applications such as manufacturing plants, data centers, and commercial facilities where selective coordination and equipment protection are required.

Key Features & Specifications
  • Type: Solid-State Trip Unit (Micrologic Family), S142R model
  • Voltage Rating: 600V AC
  • Functions: LS (Long-Time and Short-Time Protection)
  • Protection: Solid State
  • Dimensions: 136.65 mm (Depth) x 143.26 mm (Width)
  • Weight: 3.001 lb
  • Standards: CSA, UL Listed
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Country of Origin: United States


Product Identification
  • UPC: 785901893523
  • GTIN: 00785901893523