
Three phase four wire prepaid energy meter
The DTSY1521 three-phase four wire electronic prepaid energy meter is an electronic energy meter used to measure AC three-phase active energy at the power frequency, and can achieve functions such as pre purchasing electricity and current limiting protection. This product is suitable for industrial and civilian three-phase AC circuits.
1、 DTSY1521 electronic prepaid single-phase energy meterThis is a new type of energy meter that our company has launched for mass production. It uses dedicated integrated circuit measurement, advanced single-chip processing system for data processing, and SMT manufacturing process to ensure reliable performance and measurement accuracy The performance of this product meets the national standards of GB/T17215-2002 and GB/T18460-2001 This product is suitable for single-phase AC active energy metering, prepayment, and computer networking with a frequency of 50Hz Suitable for indoor or outdoor meter boxes with an ambient temperature of -25~+55 ℃ and humidity not exceeding 85%
2、 Function and Features
*Reliable performance, high accuracy, wide load capacity, low power consumption, long-term operation without the need for universities
*Apply computer management to purchase electricity before using it.
*One meter, one card, dedicated card, no power loss after card loss, can be used after card replacement.
*It can automatically alert users to purchase electricity, and when the battery level reaches zero, it will automatically trip and cut off power.
*The power usage can be limited within the rated current range.
*Has a certain level of anti-theft software design
3、 Main technical parameters
1. Electric meter model: DTSY1521/DSSY1521
2 Rated currents: 1.5 (6), 3 (6), 2.5 (10) A, 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A, 30 (100)
3. Rated frequency: 50Hz
4 Accuracy levels: Level 1, Level 2
5 Display mode: digital tube
6. Environmental temperature: -25 ℃~+55 ℃; Relative humidity: not exceeding 85%
Starting current: 0.0041b (Level 1 meter), 0.0051b (Level 2 meter)
8 with anti creep logic circuit
9. Power consumption ≤ 0.5W 2VA (voltage line), 2VA (current line)
4、 Product dimension diagram:

