NLQ4125 Uninterruptible Dual Power Automatic Transfer Switch A compact automatic transfer switch designed for reliable, millisecondlevel switching between two power sources. The NLQ4125 provides uninterrupted power transfer for equipment that must remain online during source changes. Built with PC grade materials for durable enclosure performance and compatibility with common 110V and 220V systems. Key benefits Fast, reliable transfer: Millisecondlevel switching reduces interruption and prevents equipment resets or data loss during source changes. Dualsource protection: Automatically switches between two independent power sources to maintain continuous supply. Broad voltage compatibility: Supports 110V and 220V systems and a rated operating range of 50 to 440 V for flexible installation. Durable construction: PC grade housing offers mechanical strength and electrical insulation suited to control cabinet environments. Simple integration: Designed to work with mains, standby generators, and UPS systems to coordinate automatic transfers without manual intervention. Main functions and attributes Function: Automatic transfer between primary and secondary power sources with uninterruptible behavior. Switching performance: Millisecondlevel transfer for minimal disturbance to connected loads. Voltage compatibility: 110V and 220V nominal operation; rated range 50 to 440 V. Material: PC grade enclosure for robust, insulating housing. Model: NLQ4125. Product type: Switches suitable for control and power distribution panels. Practical applications Data centers and server rooms: Maintain continuous power to critical servers and networking gear when switching between utility and backup power. Telecommunications and network equipment: Ensure uninterrupted operation of base stations, network switches, and routers during source transitions. Industrial control panels and automation systems: Protect PLCs, motor drives, and control circuits from supply interruptions during maintenance or generator start up. Installation notes Intended for integration into electrical distribution panels and control cabinets. Coordinate with existing generators, UPS systems, and mains protection devices to ensure proper sequencing and fault isolation. Follow local electrical codes and qualified installer guidelines when mounting and wiring. The NLQ4125 provides a focused solution when reliable, fast automatic transfer between two power sources is required.