S144N - Square D Micrologic 6.0 A LSIG Trip Unit P/R Frame 600V

S144N

S144N is a Micrologic 6.0 A electronic trip unit designed for Square D PowerPact P-frame and R-frame molded case circuit breakers. This field-installable trip unit provides advanced protection with LSIG (Long Time, Short Time, Instantaneous, Ground) trip configurations for reliable circuit protection and load management. S144N features a compact design suitable for high-density installations in I-Line panelboards and is compatible with PowerPact NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL series breakers. The unit includes digital ammeter display for phase and neutral monitoring, phase loading bargraph, LED trip indication, and zone selective interlocking capability for coordinated protection in complex electrical systems.

• Trip Unit Type: Micrologic 6.0 A Electronic LSIG
• Voltage Rating: 600 Vac
• Breaker Frame: P-Frame and R-Frame
• Protection Type: Solid State
• Mounting: Field Installable
• Digital Ammeter: Phase and Neutral
• Phase Loading Bargraph: Yes
• LED Trip Indication: Yes
• Zone Selective Interlocking: Yes
• Depth: 3.09 inches (78.49 mm)
• Width: 4.44 inches (112.78 mm)
• Certification: UL Listed, CSA Certified

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Specifications

• Part Number: S144N
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Trip Units & Programmers
• Family : Micrologic
• Type : S144
• Voltage : 600
• Functions : LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
• Protection : Solid State
• Compatible Frames : NS,NT,NW,PG,PJ,PK,PL,RG,RJ,RK,RL

Product Data

• UPC : 606486281485
• GTIN : 03606486281482
• Dimensions : Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
• Weight : 3.001
• Certification : CSA - UL listed