NLQ4125/3P MillisecondLevel Switching Uninterruptible Dual Power Automatic Transfer Switch 3P63A Key benefits Fast, reliable transfer: Millisecondlevel switching minimizes interruption during source changeover, helping maintain operation of sensitive electrical loads. Continuous power management: Automatic dual power transfer ensures an alternate source is engaged without manual intervention when the primary source fails. Flexible current options: Available for threephase systems with rated currents of 63 A, 80 A, and 100 A to match different load requirements. Wide voltage compatibility: Rated for use in systems with voltages above 50 V and below 440 V, suitable for common threephase applications. Compact and lightweight: Size 3P63A and unit weight 0.9 kg make this switch easy to install in control panels and equipment racks. PC grade product type to improve conversion rates, supporting dependable switching performance in standard installations. Core functions and attributes Function: Automatic transfer between two power sources with millisecondlevel reaction time for uninterruptible operation. Configuration: Threepole threephase automatic transfer switch, model NLQ4125/3P. Rated currents: 63 A, 80 A, 100 A options available to suit different load capacities. Voltage range: Operates reliably for systems above 50 V and below 440 V. Weight and size: Compact 3P63A form factor, approximately 0.9 kg per unit. Material/product type: PC grade to improve conversion rates and maintain consistent switching behavior. Why this product solves problems Reduces downtime by switching power sources in milliseconds, preventing resets and interruptions for sensitive equipment. Eliminates manual transfer errors and delays by automating source selection and changeover. Adapts to a variety of threephase installations thanks to multiple rated current options and a broad voltage range. Saves panel space and simplifies integration with a compact, lightweight design. Typical applications Server rooms and small data closets: Maintain continuous operation for networking equipment and servers by automatically switching to a backup generator or alternate feed with minimal interruption. Industrial control panels and motor systems: Protect production lines and threephase motors by providing fast transfer between utility power and onsite backup. Commercial buildings and critical circuits: Use in lighting panels, elevator controls, or essential services where uninterrupted power is required during source outages. Technical overview Model: NLQ4125/3P Size: 3P63A Rated current options: 63 A, 80 A, 100 A Phase: Threephase Voltage range: Above 50 V and below 440 V Unit weight: 0.9 kg Product type: PC grade to improve conversion rates Installation and compatibility notes Designed for panel or enclosure mounting in threephase electrical systems within the specified voltage and current ranges. Select the rated current option that matches the load and upstream protection to ensure proper operation. Compact size and light weight simplify retrofit and installations where space is limited. This automatic transfer switch provides a practical and dependable solution for maintaining continuous threephase power in installations that require fast, automatic source transfer and compact integration.