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Merlin Gerin STR58U-LSIG-3000A - Trip Unit 3000A LSIG (600V)

Merlin Gerin
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Merlin Gerin STR58U-LSIG-3000A is a solid-state trip unit designed for advanced protection within Masterpact circuit breakers, utilizing LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) functions. It operates at a voltage rating of 600V and supports a continuous current rating of 3000A across 3 poles. The unit weighs 10 lb and features a plug-in mounting type, compatible with M and MP frame circuit breakers. It complies with international standards including IEC 157-1, BS 47-52, NF C63-120, VDE 660, and AS 1930. This trip unit is suited for industrial and commercial electrical distribution systems requiring precise solid-state protection and monitoring.

Key Features & Specifications
  • Type: STR
  • Family: Masterpact
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Protection: Solid State
  • Amperage: 3000A
  • Voltage Rating: 600V
  • Number of Poles: 3
  • Weight: 10 lb
  • Mounting Type: Plug-in
  • Compatible Frames: M, MP
  • Interrupt Rating: 65,000A (3000A frame)
  • Features: Built-in ammeter, thermal memory, I2t ramp, defeatable instantaneous trip
  • Standards: IEC 157-1, BS 47-52, NF C63-120, VDE 660, AS 1930