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Merlin Gerin STR45SP - Solid-State Trip Unit 600V 400-1200A

Merlin Gerin
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The Merlin Gerin STR45SP is a solid-state trip unit from Schneider Electric's Compact family, designed for LSI protection (Long-Time, Short-Time, and Instantaneous) in industrial circuit breakers. It operates at a voltage rating of 600V and supports a current range from 400A minimum to 1200A maximum across three poles. Weighing 3 lb, this trip unit is compatible with CK, CKAX, CKAE, CKHX, CKHE, CKIX, CKAF, and CKAL frames, featuring solid-state protection for precise overcurrent response. It complies with industry standards for reliable performance in demanding electrical distribution systems. Typical applications include protection of motors, transformers, and feeders in manufacturing plants, commercial buildings, and power distribution networks.

Key Features & Specifications
  • Type: Solid-state trip unit
  • Voltage Rating: 600V
  • Current Rating: 400A to 1200A
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Compatible Frames: CK, CKAX, CKAE, CKHX, CKHE, CKIX, CKAF, CKAL
  • Weight: 3 lb
  • Manufacturer: Schneider Electric
  • Family: Compact
  • Item Subcategory: Trip Units & Programmers


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