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Smart Wi-Fi Surge Protector (EU/UK/US)


Smart Wi-Fi Surge Protector (EU/UK/US)

  • The 3-Outlet and 4-USB port smart Wi-Fi surge protector; Ideal for home and office use.
  • Turn each outlet and four USB ports on/off from anywhere* with your Meross app (iOS & Android).
  • Works with Amazon Alexa, Google Assistant and IFTTT. Samsung SmartThings and NEST compatibility will be supported soon.
  • Create and set on/off schedules as well as an auto-off timer routine for each outlet and four USB ports to work automatically. Sunrise/Sunset is ready. Random On/Off function will be added via firmware update soon.
  • Intelligent USB charging ports provide up to 4.0A power for four USB ports.
  • Overcurrent protection mechanism helps secure all of your electric appliances connected.
  • Works with the Wi-Fi you already have in your home, no hub or accessories required.
            *Internet connection required



The MSS425E is a smart Wi-Fi surge protector, which equips with 3 AC outlets and 4 USB ports; It is ideal for home and office use. Each outlet and four USB ports can be controlled from anywhere with your Meross app (iOS, Android). It allows you to turn the connected devices on and off, and to set schedules or activate the auto-off timer routines around your daily needs. Additionally, after pairing with Amazon Alexa or Google Assistant, users can simply control the connected devices with voice commands.
MSS425E is equipped with overcurrent protection mechanism which can help secure all of your electric appliances connected. It has four USB ports, providing up to 5V/4.0A charging ability.
Finally, MSS425E operates using Wi-Fi. You can simply connect it to your existing home Wi-Fi without the need to purchase an extra hub.

Hardware Features

Input EU/UK: 100-250V~, 50/60Hz, 10.0A
US: 100-250V~, 50/60Hz, 15.0A
Output Outlet:
EU/UK:100-250V~, 50/60Hz, 10A maximum load
US: 100-250V~, 50/60Hz, 15A maximum load
USB port:
5V ⎓ 2.4A for single USB port
5V ⎓ 4.0A for four USB ports
Port 3 AC outlets
4 USB ports
Button On/Off Button
Press and hold for 5 seconds to initiate factory reset process
LED 1 x Status LED
1 x USB Power LED
3 x Socket Power LED
Dimensions ( W x D x H ) EU: 265 x 66 x 40 mm (excluding power cord)
UK: 11 x 2.4 x 1.1 in (excluding power cord)
US: 10.3 x 2.2 x 1.1 in. (excluding power cord)
Power Cord 6-foot long
Antenna One Internal Antenna

Wireless Features

Wireless Standards IEEE 802.11 b/g/n, 2.4GHz, 1T1R
Wireless Security Support 64/128 bit WEP, WPA-PSK/WPA2-PSK

*Does not support Enterpirse WiFi.


Certification EU/UK: CE, RoHS
Package Contents Smart Wi-Fi Surge Protector
Quick Installation Guide
System Requirements iOS 9 or higher, Android 4.1 or higher
Existing Wi-Fi network
Environment Operating Temperature: 0℃~40℃ (32℉~104℉)
Storage Temperature: -40℃~70℃ (-40℉~158℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing

Download for MSS425E


MSS425E v1 User Manual

FAQ Firmware Apps GPL Code



GPL Code