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Schneider Electric S143G - Solid-State Trip Unit LSI Protection (600V)

Schneider Electric
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Schneider Electric S143G is a Micrologic solid-state trip unit designed for advanced circuit protection in industrial power distribution systems, providing comprehensive LSI (Long-Time, Short-Time, and Instantaneous) protection functions for a 600V AC rating. This programmer unit features a compact, durable construction with a weight of 1 lb and is engineered for integration into compatible circuit breaker frames including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL. It complies with relevant industry standards for electrical safety and performance, making it suitable for critical applications in manufacturing facilities, data centers, and commercial buildings where reliable selective coordination and equipment protection are required.

Key Features & Specifications
  • Type: Solid-state electronic trip unit (programmer) for circuit breakers
  • Voltage Rating: 600V AC
  • Protection Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Protection Technology: Solid State
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Family: Micrologic
  • Item Subcategory: Trip Units & Programmers
  • Weight: 1 lb