1、INTEGRATED DESIGN: The transfer switch can choose manual mode or automatic mode, and the hand automatic in one design is convenient and durable. 2、SILVER CONTACT: The contacts in the automatic transfer switch use silver contacts, which can greatly improve the conductivity and service life of the product. 3、PP SHELL: The shell is made of safe flame retardant PP material, which has good insulation, high temperature resistance and anti aging. 4、FAST SWITCHING: When the normal power supply is abnormal, the backup power supply will work immediately to ensure the continuous, safe and reliable power supply. 5、MAIN APPLICATION: This automatic transfer switch is suitable for household distribution boxes, versatile electrical, and is suitable for various scenarios. Item Type: Dual Power Automatic Transfer Switch Material: PP, silver Model: W2R 100 Rated Current Ie: 63A PC Grade: Can make and withstand, without breaking short circuit current Category of Use: AC 33iB Pole: 3P Electrical Life: 2000 times Mechanical Life: 5000 times Rated Condition Short Circuit Current Iq: 50kA SCPD (Fuse): RT16 00 63A Control Circuit: Correct Working Conditions: 85%Us-110%Us Auxiliary Circuit: 2 independent relays, each relay includes 2 sets of transformer contacts Contact Capacity: AC220V 50HZ, 60HZ Touch Time: <50ms Operation Transition Time: <50ms Return Time: <50ms Turn Off Time: <50ms 1 x Dual Power Automatic Transfer Switch 4 x Terminal Block 1 x Instruction