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Merlin Gerin STR28D-LI-3000A - Trip Unit 3000A 600V

Merlin Gerin
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Merlin Gerin STR28D-LI-3000A is a solid-state trip unit designed for overcurrent protection in Masterpact circuit breakers, providing Long-Time and Instantaneous (LI) trip functions. It operates at a voltage rating of 600V AC and supports a continuous current rating of 3000 amps across three poles. The unit weighs 10 lb and is compatible with M and MP frame circuit breakers, integrating seamlessly into Masterpact MP30 H1 series breakers. This trip unit is manufactured in the United States and engineered for high performance in industrial power distribution applications. It is typically used in industrial settings requiring reliable protection for large electrical loads.

Key Features & Specifications
  • Manufacturer: Merlin Gerin
  • Part Number: STR28D-LI-3000A
  • Type: STR
  • Family: Masterpact
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Amperage: 3000 Amps
  • Poles: 3
  • Protection: Solid State
  • Weight: 10 lb
  • Compatible Frames: M, MP
  • Series/Frame: Masterpact MP30 H1
  • Mounting Type: For Masterpact circuit breakers