DDSY Single-phase Electronic Prepaid Card Smart Meter IC Card Smart Meter

Product Features

1.Prepaid function: Pay first, then use electricity; automatic power cut when balance is low, resume after recharge.

2.Constant display alarm reminder: Users can set a constant alarm value. When the remaining electricity reaches this value, the meter displays constantly; if not set, it shows the constant value. The digital tube displays the remaining electricity.

3.Power cut alarm reminder: Users can set an alarm value. When the remaining electricity drops to the critical level, the meter automatically cuts off power to remind users to recharge. After the alarm, reinsert the card to restore power.

4.Zero balance power cut: When the remaining balance is zero, the meter automatically cuts off power. Reinsert the user card to restore power.

5.Digital tube display: Insert the user card to display various parameter information.

6.Anti-electricity hoarding function: If the recharge amount exceeds the limit, the meter will not read the purchased electricity until the sum of the remaining electricity and the purchase is below the limit.

7.Uses logically encrypted cards and dynamic encryption algorithms for strong confidentiality; card data can be retained for over 10 years.

8.Equipped with high-power magnetic latching relay for low power consumption and high reliability.

9.Overload power cut function: Automatically cuts off power when the load exceeds the limit; restores power 5 minutes after the load decreases.