Model NH4025/4SZ Size NH4025/4SZ Overview An automatic transfer switch designed for reliable power continuity. The NH4025/4SZ model performs automatic detection and switching between power sources, combining smooth mechanical operation with modular control options for flexible installation and long service life. Key benefits Continuous power switching: automatically detects supply changes and switches sources to maintain uninterrupted power delivery. Reduced risk of short circuit: mechanical and electrical interlocking prevents simultaneous connection of two sources, lowering the risk of cross feed. Durable operation: stable mechanical design and smooth contact switching extend service life and reduce maintenance needs. Flexible : supports a range of functional modules for additional control, monitoring, and logic functions, making it easy to adapt to specific site requirements. Reliable performance: multiple built in protection functions and precise switching behavior improve overall system uptime. Main features Automatic detection and switching of power supply for continuity of service. Mechanical and electrical interlocking to avoid improper source connection. Multiple protection functions to support safe operation during switching events. Stable contact design for reduced wear and consistent switching performance. Modular architecture to accept optional functional modules for extended capabilities. Size and model identification: NH4025/4SZ. Compatibility and installation Designed to integrate with standard electrical distribution setups and backup power sources. Modular interface allows compatibility with control panels and monitoring equipment for expanded functionality. Size NH4025/4SZ is suitable for installations requiring the specified model dimensions and form factor. Typical applications Commercial and industrial backup power systems where automatic source transfer is required to maintain operations during outages. Generator or utility switching for small to medium sized facilities, providing coordinated source changeover and protection against improper transfer. Critical system support such as server rooms and telecommunications equipment where reliable continuity and controlled switching are . Why choose this model Practical solution for minimizing downtime through automatic and controlled power transfer. Balanced focus on mechanical reliability and electrical protection to reduce operational risk. Modular design supports future upgrades and custom configurations without replacing the core switch. Specifications included Model: NH4025/4SZ Size: NH4025/4SZ For installation and configuration details, consult the product manual or technical documentation provided with the unit.