Features: Ensures uninterrupted power with this Automatic Transfer Switch, featuring a reliable dual power supply system that automatically switches to backup during outages. Designed for durability, this unit has a high flame-retardant shell, long mechanical life, and extended electrical cycles, ensuring long-term resilience and stability. Suitable for homeowners seeking an efficient solution to manage household power continuity without manual intervention. Ideal for residential setups requiring consistent electricity, such as home offices or essential equipment, providing peace of mind during unexpected power failures. Integrates seamlessly into existing electrical systems with an easy-to-install 35mm DIN rail design, offering both safety and convenience in power management. Specifications: Component: Plastic Size: Approximately 57 x 83 x 105mm Type: 2P / 4P (optional) Rated operating current (A): 63A Rated insulation voltage (Ui): 690V Rated working voltage (Ue): AC 220V Rated frequency: 50/60Hz Rated short-circuit current (Iq): 50kA Short-circuit protection: Fuse Rated impulse voltage: 8kV Main circuit: 2P AC220V (utility power) Auxiliary circuit: 2P AC220V (utility power, generator) Mechanical life: 8,000 cycles Electrical life: 1,500 cycles Use category: AC-31B Package Includes: 1 x Automatic Transfer Switch Note: Please allow 1 to 3cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences between monitor displays, the image may not reflect the actual color of the item.