DDSY1946A ToU 4 tarrif I/O control billing system smart prepaid electric kwh meter
Negotiable
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Jiangsu Sfere Electric Co., Ltd.
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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 220V | |||
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) ℃ | |||
Storage temperature | (-30~80) ℃ | |||
Relative humidity | (5~95) % (no condensation) |