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Schneider Electric S174F - Trip Unit 600V LSIG (Micrologic)

Schneider Electric
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Schneider Electric S174F is a solid-state trip unit designed for use with Micrologic family molded case circuit breakers, providing advanced protection for electrical distribution systems. It operates at a voltage rating of 600V and delivers LSIG protection functions—Long-Time, Short-Time, Instantaneous, and Ground Fault—for precise coordination and fault isolation. This trip unit weighs 1 lb and is compatible with a wide range of frames including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL, allowing flexible integration into existing switchgear. It is certified to meet UL and CSA standards for reliable performance in demanding environments. Typical applications include industrial power distribution, commercial building protection, and critical infrastructure where selective coordination and ground fault protection are required.

Key Features & Specifications
  • Type: S174F
  • Family: Micrologic
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600 V
  • Protection: Solid State
  • Weight: 1 lb
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Amperage: 100 A
  • Poles: 2
  • Frame: F-Frame
  • Mounting Type: Individually Mounted
  • Interrupt Rating: Standard
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed, CSA Certified