The Schneider Electric S144A is a trip unit designed for PowerPact P and R circuit breakers. This unit features the Micrologic 6.0 control unit, offering advanced LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault) protection capabilities. It is engineered to provide precise overcurrent and ground fault protection for electrical distribution systems.

Technical details

• Series: PowerPact P, R
• Control Unit: Micrologic 6.0
• Protection Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
• Type: Trip Unit
• Rating Plug: Included
• Compatibility: Designed for Schneider Electric PowerPact P and R frame circuit breakers. Specific voltage and current ratings are determined by the associated circuit breaker frame and the installed rating plug; consult manufacturer documentation for precise specifications.
• Ground Fault Sensitivity: Adjustable, consult Micrologic 6.0 documentation for specific ranges.
• Short-Time Delay: Adjustable, consult Micrologic 6.0 documentation for specific ranges.

Applications & compatibility

This trip unit is integral to the protection schemes of medium-voltage and low-voltage switchgear used in commercial buildings, data centers, and industrial facilities. It is commonly found in main distribution panels, feeder circuits, and motor control centers where reliable and adjustable overcurrent and ground fault protection is critical.

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 S144A or contact our technical team for cross-reference assistance with compatible PowerPact components.