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Merlin Gerin STR58U-LSI-1200A - Solid State Trip Unit 600V 1200A

Merlin Gerin
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The Merlin Gerin STR58U-LSI-1200A is a solid-state trip unit designed for the Masterpact family of circuit breakers, providing precise protection through Long-Time, Short-Time, and Instantaneous (LSI) functions. It is rated for a maximum voltage of 600V and a current rating of 1200A, operating across three poles. The unit weighs 10 lb and is compatible with M and MP frames, featuring a solid-state protection mechanism for reliable performance. This trip unit complies with industry standards for industrial circuit protection, ensuring robust operation in demanding environments. Typical applications include use in switchgear, motor control centers, and distribution systems requiring advanced protection coordination.

Key Features & Specifications
  • Type: Solid-state trip unit for Masterpact circuit breakers
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Compatible Frames: M, MP
  • Weight: 10 lb
  • Family: Masterpact
  • Item Subcategory: Trip Units & Programmers


Product Identification
  • UPC: Not specified
  • GTIN: Not specified