We can offer OEM service to manufacture the circuit breaker with your logo, if you need, feel free to contact the seller! Notice: This is relay type, have no short circuit ,overload protection 18mm Din Rail WIFISmart Switch Remote control by Tuya APP for Smart home Feature 1.Remote control at anytime from anywhere 2.Timer ON/OFF 3.Scene setting, home sceneTurn on the light, turn on the water heater, turn on the TV, turn on the air conditioner,, going out scene(Turn off the lights, turn off the water heater, turn off the TV, turn off the air conditioner, etc. 4.Sharing devices with family and friends 5.18 mm Din Rail install UserManual: Specification Standard GB109631/ IEC60898 Rated Voltage AC100-400V Rated Current63A/80A Frequency50/60Hz Protection P20 Poles3P+N Control Remote control Connection 2.4G WIFI Notice Check listbeforeusing the device 1.Your smartphone should be connected 2.4G WIFI with internet. 2.Down the tuya App from App Store orGoogle Play storecreate an account and login. 3.During pairing process, make sure that your IOS or Android device and the Tuya device is within the range of the router. 4.The device only supports 2.4Gnetwork Please don`t connect to a 5G network or hybrid network. 5.Enter correct WIFI passwords ,Make sure that your WIFI SSID andPasswords don`t contain special characters