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Schneider Electric STR58U-LSI - Trip Unit 600V 800-6300A

Schneider Electric
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Schneider Electric STR58U-LSI is a solid-state trip unit designed for the Masterpact family of circuit breakers, providing Long-Time, Short-Time, and Instantaneous (LSI) protection functions. This trip unit is rated for 600V and operates within a current range of 800 to 6300 amperes across three poles. The unit weighs 10 lb and is compatible with M and MP frame circuit breakers. It complies with industry standards for industrial power distribution and motor protection. Typical applications include protection of feeders, main switchboards, and large industrial loads in commercial and industrial facilities.

Key Features & Specifications
  • Type: Solid State Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 800-6300 Amperes
  • Poles: 3
  • Protection: LSI - Long-Time, Short-Time and Instantaneous
  • Compatible Frames: M, MP
  • Weight: 10 lb
  • Family: Masterpact
  • Functions: Long-Time, Short-Time and Instantaneous
  • Amperage Minimum: 800
  • Amperage Maximum: 6300


Product Identification
  • Manufacturer: Schneider Electric
  • Item Subcategory: Trip Units & Programmers
  • Type: STR