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Square D S144N - Electronic Trip Unit LSIG 600V

Square D
Price
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The Square D S144N is a Micrologic 6.0 A electronic trip unit designed for advanced circuit protection and load management in molded case circuit breakers. It provides LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection with a solid-state design rated for 600V AC. The unit measures 3.09 inches in depth and 4.44 inches in width, weighing 3.001 lb, and is field-installable for high-density installations. It is UL Listed and CSA Certified, ensuring compliance with industry standards. This trip unit is compatible with NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL series breakers, making it suitable for complex industrial electrical systems.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Family: Micrologic
  • Type: S144
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V
  • Protection: Solid State
  • Dimensions: Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
  • Weight: 3.001 lb
  • Certification: CSA - UL listed
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Trip Unit Type: Micrologic 6.0 A Electronic LSIG
  • Breaker Frame: P-Frame and R-Frame
  • Mounting: Field Installable
  • Digital Ammeter: Phase and Neutral
  • Phase Loading Bargraph: Yes
  • LED Trip Indication: Yes
  • Zone Selective Interlocking: Yes


Product Identification
  • UPC: 606486281485
  • GTIN: 03606486281482