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Merlin Gerin STR58U-LSI-2000A - Solid-State Trip Unit 2000A 600V

Merlin Gerin
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Merlin Gerin STR58U-LSI-2000A is a solid-state trip unit designed for overload and short-circuit protection in Masterpact circuit breakers. It operates at 600V and supports a continuous current rating of 2000A across three poles. The unit weighs 10 lb and is a plug-in type compatible with M and MP Masterpact frames. It provides LSI (Long-Time, Short-Time, Instantaneous) protective functions for precise fault management. This trip unit is suited for industrial power distribution systems requiring reliable, adjustable protection for insulated case circuit breakers.

Key Features & Specifications
  • Manufacturer: Merlin Gerin
  • Series: Masterpact
  • Type: STR
  • Amperage: 2000A
  • Voltage: 600V
  • Poles: 3
  • Protective Functions: LSI
  • Trip Unit: STR58U
  • Mounting Type: Plug-in
  • Application: Insulated Case Circuit Breakers
  • Weight: 10 lb
  • Protection: Solid State
  • Compatible Frames: M, MP