NLQ4125/2P3P4P100A63A Uninterruptible Dual Power Automatic Transfer Switch A fast, reliable automatic transfer switch that performs millisecond level switching between two power sources to maintain continuous power and reduce downtime. Available in 2P, 3P, and 4P configurations and in rated currents 100A and 63A. Key benefits Millisecond level switching maintains power continuity for sensitive equipment and reduces service interruptions. Automatic, uninterruptible transfer eliminates the need for manual intervention when the primary supply fails. Reduces operational downtime and supports smooth transitions between main and backup power, improving overall system availability. Flexible configurations support multiple supply types and installation requirements. What it does Continuously monitors primary and secondary power supplies and switches automatically to the available source when outage or fault conditions are detected. Provides instant transfer with minimal interruption to connected loads, preserving equipment operation and preventing process interruptions. Compatibility and configurations Model: NLQ4125/2P3P4P100A63A Available pole configurations: 2P, 3P, 4P Rated currents available: 100A and 63A Suited for use with standard lowvoltage electrical distribution systems and common backup power sources such as generators and UPS systems Design and materials Designed for panel integration with a compact footprint to save space in distribution boards. Built with durable, electricalgrade components for consistent switching performance and long service life. Clear electrical ratings and mounting options simplify selection and installation. Performance highlights Millisecondlevel transfer speed minimizes interruption to critical loads. Stable switching logic reduces the risk of false transfers and unnecessary interruptions. Robust contact mechanism supports frequent transfer cycles and reliable operation under normal conditions. Typical applications Data centers and server rooms where uninterrupted power is required to prevent data loss and service disruption. Commercial buildings and office complexes that rely on seamless transition between utility power and generators. Industrial control systems and production lines where brief power interruptions can cause process faults or equipment damage. Why choose this model Offers a straightforward, reliable solution for automatic power transfer with very fast switching response. Multiple pole and current options make it adaptable to a wide range of electrical installations. Designed to integrate with existing distribution equipment while providing continuous protection for connected loads. Installation and use tips Select the appropriate pole count and rated current for the application and load requirements. Install in accordance with local electrical codes and good engineering practice. Verify compatibility with upstream protection devices and backup power sources prior to commissioning.