The Schneider Electric Merlin Gerin S144N is a MicroLogic 6.0A electronic trip unit designed for advanced circuit breaker protection. This unit is field-installable and integrates seamlessly into R-Frame and P-Frame circuit breaker installations, offering comprehensive protection capabilities for critical electrical systems.

Technical details

• Series: MicroLogic 6.0A
• Protection Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
• Integrated Features: Built-in ammeter for precise current measurement
• Installation Type: Field-installable
• Compatible Frame Types: R-Frame, P-Frame
• Protection Level: Provides advanced thermal magnetic and electronic trip functions for circuit breakers.
• Ground Fault Sensitivity: Adjustable settings for ground fault protection to meet specific system requirements.
• Short-Time Delay: Configurable short-time delay to manage inrush currents and prevent nuisance tripping.

Applications & compatibility

This trip unit is engineered for use in medium-voltage switchgear and distribution panels where precise and reliable circuit protection is paramount. It is commonly deployed in industrial facilities, data centers, and commercial buildings to safeguard electrical infrastructure from overloads, short circuits, and ground faults.

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 Merlin Gerin S144N or contact our technical team for cross-reference assistance with compatible MicroLogic trip units.