NLQ6250/4P MillisecondLevel Switching Uninterruptible Dual Power Automatic Transfer Switch Size: 4P 200A Rated for integration with 250A inverter systems Key benefits Rapid, reliable switching: millisecondlevel transfer minimizes interruption when switching between two power sources, helping connected equipment maintain stable operation. Dual power automatic transfer: automatically selects and transfers load between primary supply and secondary supply such as an inverter or generator, reducing manual intervention and downtime. Improved conversion stability: designed to reduce interruptions and switching losses during power source changeover, supporting smoother power conversion and continuity. Clear compatibility and form factor: 4pole configuration suitable for threephase plus neutral installations, provided in a 200A size and compatible with 250A inverter setups for flexible deployment. Practical performance: built for frequent automatic operation with consistent contact performance to support critical and semicritical electrical loads. Main functions and attributes Function: automatic detection and fast transfer between two independent power sources to maintain continuous supply. Switching speed: millisecondlevel transfer for minimal disruption. Configuration: 4P for threephase systems with neutral. Nominal size: 200A switch frame. Inverter compatibility: named model NLQ6250/4P designed to work with 250A inverter systems. Installation: intended for integration into distribution panels and power control cabinets, enabling straightforward replacement or retrofit of existing transfer solutions. Durability: engineered for repeated operation to meet the demands of regular source changes. Typical applications Commercial facilities and office buildings where a primary mains supply and an inverter or generator backup must be kept synchronized for uninterrupted operations. Telecom or network shelters that require fast automatic transfer to a secondary power source to protect communications equipment from service interruptions. Small industrial sites or production lines that use inverter systems and need reliable automatic transfer to prevent process interruptions during source changes. Why choose this model Provides fast, automatic switching for threephase installations while matching common inverter ratings. Designed for straightforward integration into existing power distribution systems without changing core system architecture. Focuses on operational reliability and consistent switching behavior to support continuity of power for a variety of practical applications.