4Pole Automatic Transfer Switch 63A AC110V Reliable automatic power transfer designed for longterm use in homes, offices, hospitals, and commercial sites. This compact unit switches loads between main and standby power sources quickly and safely, minimizing downtime and protecting connected equipment. Key benefits Built to last: grade plastic housing with a pure copper motor and copper terminals for improved heat resistance, corrosion protection, and electrical conductivity. Fast automatic transfer: switches between main and standby sources in about 2 seconds and selfrecovers when normal power returns, supporting uninterrupted operation of UPS, inverters, and lighting. Strong protection features: builtin shortcircuit and overload safeguards plus an arcextinguishing circuit breaker to reduce electrical risks during switching. Easy to operate: selectable auto and manual modes, clear indicator lights, and an English manual for straightforward setup and daily use. Flexible mounting and compact size: 8.82 x 5.31 x 3.94 inches, 3.88 lbs, blue gray rectangular housing fits vertical wall mounts or horizontal installs. Technical highlights Type: 4pole automatic transfer switch Current rating: 63A Nominal control voltage: AC110V Frequency: AC 50/60Hz, up to 63A Circuit compatibility: bidirectional 110V and 240V circuits, 690V insulation Safety rating: rated AC33iB at CB level Mechanical features: ring cross actuator and edged contacts for reliable actuation Also known as interruptor de transferencia automatica How this solves common problems Prevents interruptions for critical equipment by automatically transferring power during outages or voltage dips, then returning to normal once utility power stabilizes. Reduces maintenance and replacement cycles with corrosionresistant materials and a durable motor. Simplifies system management with clear controls and fast switching that protects sensitive devices such as meters and UPS units. Typical applications Residential backup: automatically switch between grid, generator, and battery or solar systems to keep essential circuits running during outages. Small businesses and restaurants: maintain lighting, refrigeration, and point of equipment without manual intervention. Institutional and commercial sites: support UPS and inverter systems for banks, hotels, schools, and street lighting where reliable transfer and protection are required. What is included 4pole automatic transfer switch unit English user manual with installation and operation guidance Note: Designed for use with compatible power sources and electrical systems rated as specified. Follow local electrical codes and consult a qualified installer for setup and testing.