The Schneider S174A Micrologic Trip Unit is a protective relay designed for advanced power system management. This unit is engineered for integration with Schneider Electric's Masterpact NT and NW universal power circuit breakers, providing essential protection and harmonic analysis functions. The S174A is part of the Micrologic family of trip units, known for their robust performance in demanding industrial environments.

Technical details

• Series: Micrologic S
• Model: S174A
• Functionality: Advanced protection and harmonic analysis
• Compatible Masterpact Breakers: NT, NW
• Compatible Frame Types: N, P, R
• Compatible Molded Case & Insulated Case Breakers: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
• Protection Features: (Refer to manufacturer datasheet for specific trip curves and settings)
• Communication Capabilities: (Refer to manufacturer datasheet for protocol details)

Applications & compatibility

This trip unit is suitable for medium and high-power distribution systems where precise circuit protection and monitoring are critical. It finds application in large commercial buildings, data centers, manufacturing facilities, and any environment utilizing Masterpact NT or NW circuit breakers for main incomers or critical feeder protection.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider S174A Micrologic Trip Unit or contact our technical team for cross-reference assistance with compatible Masterpact components.