Mini Din Rail 2P 3P 4P ATS Dual Power Automatic Transfer Switch Uninterrupted Power Solar Transfer Switch AC Circuit Breakers Safety design: Switching between common and standby, with self-propelled and self-reconvery function to commonly used power supply priority principle. Through manual or automatic swtich button both manual and antomatic modes can be controlle Technical parameters: Model: SYSOLARBD-63 or 2P Input voltage: 230V or 380V or 400VInsulation voltage: 4000 (VRated voltage: 400 (V) EPS external indication: DC12-24VRated current: 50A, 63ARated impact withstand voltage: 4 (KV)3C rated voltage range: 37V-440V Size: 14.8 x 13.5cm or 5.83 x 5.31in Weight: 1300g Package included: 1 xAutomatic Transfer Switch Dimension and pictures: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.