Product: 380V fourpole twoway power supply switching uninterruptible power supply Model: 4P63A100A Type: Dual power automatic transfer switch, rail type Rated voltage range: below 440V Key benefits Continuous power switching: automatic twoway transfer between main and backup supplies maintains power availability and reduces interruption during source changes. Improved conversion reliability: designed to improve conversion rates during transfer events, minimizing downtime and maintaining stable power delivery. Compact railmounted design: rail type mounting simplifies installation into electrical panels and control cabinets for efficient use of space. Fourpole configuration: supports fourpole systems for threephase plus neutral connections, providing full circuit switching and balanced phase control. Core functions and performance Automatic transfer control between two power sources for uninterruptible operation. Rapid switching to maintain load continuity during source failure or maintenance. Designed for use on 380V systems with compatibility up to a voltage range below 440V. Model 4P63A100A is built for dependable, repeatable switching operations suitable for continuous or intermittent use cases. Compatibility and installation Intended for threephase fourwire electrical systems commonly found in industrial and commercial settings. Rail type mounting allows straightforward integration into standard electrical rails and control panels. Fourpole switching ensures compatibility with loads that require neutral switching in addition to the three phases. Practical applications Industrial automation and manufacturing lines where uninterrupted power is required to avoid production losses during power source changes. Commercial buildings and facility infrastructure to automatically transfer critical circuits such as lighting, HVAC controls, and security systems to backup power. Telecommunications, server rooms, and control cabinets where fast, reliable transfer between primary and secondary supplies helps protect equipment from unexpected outages. What makes this product stand out Purposebuilt for dual power automatic transfer with uninterruptible switching capability. Fourpole design addresses full threephase plus neutral switching needs. Railmounted format eases installation and integration into existing electrical panels. Clear voltage compatibility for 380V systems and operation within a voltage range below 440V. Technical highlights Fourpole switching arrangement for complete phase and neutral control. Designed for reliable automatic switching between two power sources. Rail type mechanical form factor for simplified mounting. This automatic transfer switch offers a practical, installable solution for maintaining continuous power in environments that require reliable, fast switching between two power sources while fitting into standard railmounted control panels.