The Schneider Electric Square D S164A Micrologic Trip Unit is an electronic trip unit designed for enhanced protection and control within electrical distribution systems. As a component of the PowerPact series, this unit integrates advanced LSIG (Long-time, Short-time, Instantaneous, Ground fault) protection capabilities. It is engineered for compatibility with a range of Schneider Electric molded case and insulated case circuit breakers, including models within the NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL series.

Technical details

• Trip Unit Type: Electronic Micrologic 6.0 P
• Protection Functions: LSIG (Long-time, Short-time, Instantaneous, Ground fault)
• Series Compatibility: PowerPact
• Compatible Circuit Breaker Series: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
• Control Voltage: Verify with manufacturer datasheet for specific voltage requirements.
• Amperage Rating: Verify with manufacturer datasheet for specific amperage rating.
• Interrupting Rating: Verify with manufacturer datasheet for specific interrupting rating.
• Mounting Type: Designed for integration into compatible Schneider Electric circuit breaker frames.

Applications & compatibility

This Micrologic trip unit is essential for applications requiring precise and reliable circuit protection, commonly found in commercial buildings, industrial facilities, and data centers. Its LSIG functionality makes it suitable for protecting feeders, branch circuits, and motor loads where comprehensive fault detection is critical to prevent equipment damage and ensure operational continuity.

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 Electric Square D S164A or contact our technical team for cross-reference assistance with compatible PowerPact components.