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Square D S141C - Solid-State Trip Unit (600V, LI Protection)

Square D
Price
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The Square D S141C is a solid-state trip unit from the Micrologic family designed to provide precise overcurrent protection for low-voltage power circuit breakers. It features a 600V voltage rating and delivers LI (Long-time and Instantaneous) protection functions to safeguard electrical systems against sustained overloads and short-circuit faults. This programmer is engineered for compatibility with a wide range of breaker frames including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL, and is constructed to meet rigorous industrial standards for reliable performance in demanding environments. Its solid-state design ensures accurate and stable trip characteristics, making it suitable for critical applications in commercial, industrial, and institutional power distribution systems.

Key Features & Specifications
  • Type: Solid-State Trip Unit / Programmer (Micrologic S141)
  • Voltage Rating: 600V AC
  • Functions: LI (Long-Time and Instantaneous Overcurrent Protection)
  • Protection: Solid State
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Item Subcategory: Trip Units & Programmers
  • Weight: 1 lb


Product Identification
  • Manufacturer Part Number: S141C