Model NH40100/4SZ Automatic Transfer Switch Size: NH40100/4SZ Switch type: Dual power supply PClevel automatic transfer switch Key benefits Continuous power availability: Automatically monitors two power sources and performs fast, reliable switching to maintain uninterrupted power for critical equipment. Enhanced safety: Mechanical and electrical interlocking prevents simultaneous connection of both supplies and reduces the risk of short circuits. Builtin protection functions add layers of operational safety. Long service life: Stable structural design and smooth contact switching reduce wear and extend operational lifetime under frequent transfer cycles. Flexible expansion: Modular design accepts a range of functional modules for easy and capacity upgrades to meet changing system requirements. Core functions and attributes Automatic detection and transfer: Continuously compares primary and backup sources and switches automatically according to preset logic to ensure continuity of service. Interlocking protection: Combination of mechanical and electrical interlocks prevents hazardous crossconnections during transfer operations. Reliable contact operation: Optimized contact mechanism for consistent, lowresistance switching and reduced contact bounce. Modularity and compatibility: Supports additional functional modules for monitoring, control, and communication to integrate with different power management systems. Size and form factor: Specified as NH40100/4SZ for compatibility with PClevel and small distribution installations. Typical applications Server rooms and small data centers: Maintain uninterrupted power for servers, storage, and networking equipment during mains interruptions or maintenance. Industrial control panels and automation lines: Protect control systems and production equipment where reliable power transfer prevents process interruptions. Telecom equipment and office emergency power circuits: Keep communication and essential services running by switching seamlessly between primary and backup supplies. Why choose this model Designed for environments that require automatic, dependable transfer between two power sources without manual intervention. Clear functional focus on safety, reliability, and service life with room for future expansion through modular addons. Model NH40100/4SZ provides a straightforward solution for PClevel dual power supply transfer needs while supporting integration into broader power management schemes.