Features High-Quality Dual Power Automatic Switch: Provides strong anti-interference ability and high precision, ensuring reliable and efficient power transfer between sources. Complete Protection Function: Equipped with overload and short circuit protection for safe and secure , giving you peace of mind. Compact and Stylish Design: Small size, high breaking capacity, and a sleek appearance make it an ideal space-saving solution with excellent performance. Noise-Free and Energy-Saving : Operates quietly and conserves energy, ensuring convenient installation, simple , and stable performance. Versatile Functionality: Offers overload and short circuit protection, along with the capability to deliver an output closing signal, enhancing its utility in various applications. Features: 1、High quality double power automatic switch, strong anti-interference ability, high precision. 2、Complete protection function, with overload, short circuit protection. 3、Small size, high breaking, short arc, compact structure, beautiful appearance. 4、Noise-free , energy-saving, convenient installation, simple , stable performance. 5、The product has overload, short circuit function, but also has the function of output closing signal. Specification: Overview: Micro new double power automatic switch, suitable for AC 50Hz, rated working voltage 400V and below the double power supply system, with automatic or manual to complete the conversion between the common power supply and the standby power supply. The switch is mainly used in hospitals, shops, Banks, metallurgy, high-rise buildings, military facilities and other important ocns where power failure is not allowed. Features: High quality double power automatic switch, strong anti-interference ability, high precision. Complete protection function, with overload, short circuit protection. Small size, high breaking, short arc, compact structure, beautiful appearance. Noise-free , energy-saving, convenient installation, simple , stable performance. The product has overload, short circuit function, but also has the function of output closing signal. Specification: Material: Plastic Weight: 1580g/55.7oz Model: NDQ1-63/3 Insulation voltage: 300 (V) Rated working voltage: AC 50Hz 400 (V) Rated current: 63 (A) Pole number: 3 Rated impulse withstand voltage: 0.6 (KV) Rated short circuit capacity: 3KA Rated short time withstand current: 63A 3 optional working modes: Self-throw and self-reply working mode. Alternate working mode. Self - feeding and self - restoring working mode. 3 stable workin Package List