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Square D S133N - Solid-State Trip Unit for 600V Systems (LSI Protection)

Square D
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Square D S133N is a solid-state trip unit designed for advanced circuit protection in industrial power distribution systems. It provides comprehensive LSI (Long-Time, Short-Time, and Instantaneous) protection functions for low-voltage power circuit breakers, rated for systems up to 600V. The unit features a compact design with dimensions of 78.49 mm in depth and 112.78 mm in width, weighing 3.001 lb, and is constructed for reliable integration. It is certified 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), S133N model
  • Voltage Rating: 600V
  • Functions: LSI - Long-Time, Short-Time, and Instantaneous protection
  • Protection: Solid State
  • Dimensions: 78.49 mm (Depth) x 112.78 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: 3606486118702
  • GTIN: 03606486118702