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Square D S141A - Solid-State Trip Unit 600V (IEC Certified)

Square D
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Square D S141A is a solid-state trip unit designed for providing advanced protection and coordination in low-voltage power circuit breakers. It features a 600V AC voltage rating and delivers LI (Long-time and Instantaneous) protection functions for precise overcurrent coordination. The unit is constructed with a compact form factor measuring 78.49 mm in depth by 112.78 mm in width and weighs 1.08 lb, ensuring compatibility within panel designs. It is certified to IEC standards and is engineered for integration with compatible Square D breaker frames including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL, making it suitable for industrial power distribution and control applications.

Key Features & Specifications
  • Type: Solid-State Trip Unit, Micrologic Family
  • Voltage Rating: 600V AC
  • Functions: LI - Long-Time and Instantaneous Protection
  • Dimensions: 78.49 mm (Depth) x 112.78 mm (Width)
  • Weight: 1.08 lb
  • Protection: Solid State
  • Standards: IEC Certification
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Country of Origin: United States


Product Identification
  • UPC: 078590189945
  • GTIN: 00785901899457