Size: NXZM250S/4A200A Model: NXZM250S/4A 200A Overview This automatic transfer switch provides reliable, automated transfer between power sources to maintain continuous supply. It combines automated detection and switching with mechanical and electrical interlocking to prevent short circuits and protect connected equipment. Key benefits Continuous power availability: automatic detection and transfer of the power supply minimizes downtime and maintains operation during source changes. Safety and fault prevention: mechanical and electrical interlocking prevents simultaneous closure of multiple sources and reduces the risk of short circuits. Multiple protection functions guard the system and load. Durable performance: stable structural design and smooth contact switching extend operational life and reduce maintenance frequency. Flexible functionality: modular design supports a variety of functional modules for expansion and , allowing system features to be added as requirements evolve. Main features Automatic detection and switching between primary and secondary power sources to ensure continuity. Mechanical and electrical interlocking for safe source isolation and transfer. Multiple protection functions to respond to common power faults. Stable contact mechanism designed for smooth operation and long service life. Modular architecture that accepts additional functional modules for tailored capabilities and improved conversion efficiency. Rated designation reflected in the model for 200A applications. Compatibility and performance Intended for integration into electrical control panels and power distribution systems that require automated source transfer at the 200A level. Modular approach allows compatibility with a range of control and monitoring modules to match site requirements. Designed for reliable switching performance under repeated operation. Application scenarios Commercial buildings: automatic transfer between utility power and backup generators to keep critical lighting and systems online during outages. Industrial facilities: coordinated source switching for production lines and control equipment to reduce process interruptions. Data centers and telecom sites: maintain power continuity for servers and communication equipment by automating source selection and transfer. Specifications summary Size designation: NXZM250S/4A200A Model designation: NXZM250S/4A 200A Function: automatic detection and switching of power supply with interlocking and protection features Modularity: supports a variety of functional modules for expansion and This product is suitable where automated, safe, and durable source transfer is required and where modular expansion is needed to adapt to changing operational demands.