Product Name: Prepaid Electric Sub Meter DDSY1946A Remote Control 1 Phase Digital Prepaid Electric Energy MeterThe prepaid energy meter is designed by adopting advanced microprocessor and signal processing technology, and it possesses functions as below: All-parameter measurement, electric energy metering, time-division charging, prepayment, demand quantity statistic, event recording, malignant load identification, fault warning etc.

Model | DDSY1946A | |
Electrical Characteristics | ||
Accuracy grade | Voltage and current: 0.2%; Power: 0.5%; Frequency: ±0.01Hz Active electric energy: grade 0.5S; Reactive electric energy: Grade 2 | |
Rated voltage | AC 230V | |
Input current | Direct access | AC 5(80)A |
Frequency | 50/60 Hz | |
Wiring Mode | Single-phase | |
Scope of working voltage | 0.8Un ~ 1.2Un | |
Power consumption | Power consumption of voltage circuit | < 5VA |
Power consumption of current circuit | < 2VA | |
Startup current | Direct access | 0.004Ib |
Access via CT | 0.002In | |
Switching Value Input | ||
AC wet contact | ON: AC 180~270V OFF:< AC 100V | |
Communication Characteristics | ||
RS485 communication interface | Modbus-RTU protocol, maximum baud rate: 9,600bps | |
Multi-functional Output Interface | ||
Electric energy pulse | Pulse width: 80ms±20ms | |
Clock pulse | ||
Tripping Control Output Interface | ||
Contact capacity | 3A/250 VAC; 5A/30 VDC | |
Mechanical Characteristics | ||
Dimension (mm) | 90×144×68 | |
IP protection | IP54 (panel)/IP20 (case) | |
Environmental Characteristics | ||
Working temperature | (-25~70) ºC | |
Storage temperature | (-30~80) ºC | |
Relative humidity | (5~95) % (no condensation) |







Q: Are you trading company or manufacturer ?
A: We are factory located in Jiangyin Jiangsu Province.
Q: Does your company provide customized manufacturing?
A: We provide OEM/ODM service to our customers. Our experienced R&D team will give our customer solution in a high efficiency way.
Q: How long is your delivery time?
A: 3-5 working days for the items were in stock, 15-21days for the items out of stock.
Q: Do you provide samples? Is it free or extra ?
A: You need to pay for the sample and cover the freight as well.
Q: What is your terms of payment ?
A: Order amount less than $3000, 100% paid before shipment, order amount more than $3000,30% as deposit, 70% before shipment, or by negotiated for the both parties.