NLQ4100A 80A63A4P Dual Power Automatic Transfer Switch Key benefits Automatic source transfer that improves conversion efficiency and reduces interruption of power to connected loads. Supports multiple rated current options shown in the model name for flexible selection to match system requirements. 4pole construction suitable for threephase plus neutral switching in distribution panels and switchboards. Compact, panelfriendly design that saves space and integrates with existing electrical distribution equipment. What this switch does Monitors two independent power sources and transfers load automatically from one source to the other when required, helping maintain continuous power to critical circuits. Designed to improve conversion rates between sources by performing reliable, repeatable switching operations. Primary features and attributes Model identification: NLQ4100A 80A63A4P dual power automatic transfer switch. Rated current options indicated by the model: 100A, 80A, and 63A. Four pole configuration for threephase plus neutral applications. Built for use in electrical distribution and backup power arrangements where automatic source selection is needed. Durable construction for installation in panels and switchboards intended for commercial and industrial use. Compatibility and application Compatible with utility mains and standby generators for automatic backup switching. Suitable for integration with uninterruptible power supplies and distribution systems where dual power sources are present. Works in coordination with typical circuit protection devices and control wiring used in distribution panels. Practical use scenarios Commercial building backup: Automatically switches lighting and essential services from mains to generator during utility outages, minimizing service disruption. Industrial equipment support: Maintains power to production control systems by transferring to a secondary source when the primary supply becomes unavailable. Infrastructure and communications: Provides automatic switching for critical loads in data rooms, telecom shelters, and small server closets to reduce interruption risk. Installation and maintenance notes Designed to be mounted in standard distribution panels or switchboards; wiring should follow applicable electrical codes and system schematics. Routine inspection of connections and coordination with upstream protection devices will support reliable operation. This NLQ4100A 80A63A4P dual power automatic transfer switch is intended for applications that require automatic, reliable transfer between two power sources while fitting into standard electrical distribution arrangements.