DTSY Three-Phase Four-Wire Electronic Card-Insertion Smart Prepaid Electricity Meter

Product Features

1.Prepaid function: Pay first before using electricity; automatic power cut when fees are overdue, resume usage after recharging.

2.Constant display alarm reminder: The user's constant alarm value can be set. When the remaining power drops to this value, the meter displays a constant status. If not set, it shows the constant value. The digital tube displays the remaining power in the meter.

3.Power cut alarm reminder: The user's alarm value can be set. When the remaining power drops to the critical alarm value, the meter automatically cuts off power to remind the user promptly. After the power cut alarm, reinsert the card to restore power supply.

4.Zero balance power cut: When the remaining balance in the meter is zero, the meter automatically cuts off power. Power supply can be restored only by reinserting the user card.

5.Digital tube display: After inserting the user card, various parameter information in the meter is displayed.

6.Anti-power hoarding function: When the recharge amount exceeds the limit, the meter will not read the purchased power from the card until the sum of the remaining power in the meter and the current amount is less than the limit.

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

8.Employs high-power magnetic latching relays, with low power consumption and high reliability.

9.Overload power cut function: When the power load exceeds the limit, the meter automatically cuts off power. Power supply is automatically restored 5 minutes after the load decreases.