Compact Smart Switch-Off Device: Safe Solution for the Family

Fires and explosions caused by electrical incidents and unsafe electrical equipment are increasing, and the electrical system in Vietnam also faces many problems such as overload and short circuits. To improve this situation and improve the efficiency of home electrical system management, EPI introduces a compact smart electrical switchgear solution. These devices not only help with remote control and automation, but also save space and increase safety.

The Smart MCB household electrical control device uses remote on-off technology via Ethernet, Bluetooth or Zigbee connected to the phone, making the home smarter and safer when leaving the house. . The solution uses smart MCB UEZ3 from manufacturer Hongfa with the ability to quickly turn on and off. When an electrical problem occurs in the family, the device will immediately close and disconnect all power sources in the family, and send a warning signal to the user’s phone. When not at home, users just need to turn off the power with their phone, so it is very convenient. In addition, the product also has the ability to measure the current and voltage consumed through the load.   

Using components from brands that EPI is distributing such as Hongfa, Mornsun, JSCJ, Amotech,… EPI Vietnam is confident that it will provide customers with smart, safe and convenient power on-off solutions. 

Technical Speciafications:

  • Connect to MCB via RS485   
  • Input voltage: 90 – 528VAC  
  • Current: 32A  
  • Turn on and off power manually via wifi, bluetooth, Zigbee 

Advantage:

  • Remote control via phone   
  • Overload voltage and current can be measured   
  • Fast closing time   
  • Safe  
  • Overcurrent and overvoltage protection  
  • Source isolation 

Key components utilized in the circuit: 

1. Smart MCB  UEZ3-63  – Hongfa 

Specifications : 

  • Maximum current: 63A  
  • Number of positions: 1P, 1P + N, 3P + N  
  • Communication: RS48 

 2. AC/DC Converter module  LS05-26B12R3 – Mornsun 

Specifications : 

  • Vin: 90 – 528 VAC  
  • Vout: 12VDC  
  • Pout: 5W  
  • Iout: 420mA  
  • Operating temperature: -40 ~ 85*C 

3. Other components 

  • AMAN301512ST01   – Amotech 
  • SCJA1117B-3.3-A      – JSCJ 
  • RS485: UTC, HTC, Wayon…. 

 Contact EPI VietNam Technologies – Genuine distributor to receive advice and support for free samples and source code.https://epi-tech.com.vn/ 

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