Electricity Meters
DTSY-GE330 Three-phase Four-wire DIN Rail Smart Meter
The DTSY-GE330 Three-phase Four-wire DIN Rail Smart Meter uses a Vango V9911 MCU + V9203 metering chip. It measures active and reactive power, supports prepaid and postpaid operation, and offers expandable multi-tariff functionality.
An RS-485 interface is supplied as standard, with infrared and remote 4G communication available as extensions. The meter supports DL/T645-2007 and MODBUS-RTU protocols.
Enquire About This Product01 / PRODUCT FEATURES
Product at a glance
High-accuracy Multi-type Energy Metering
- Uses a Vango V9911 MCU + V9203 metering chip to measure import and export active and reactive energy.
- Active energy accuracy Class 1 and reactive energy accuracy Class 2. Starting current ≤0.004Ib; overload withstand current 30Imax for 0.01s.
Comprehensive LCD Information
- The LCD displays remaining energy, total active energy, voltage, current, frequency, power factor, energy for four tariffs, maximum demand, date and time.
Flexible Communication Options
- Standard RS-485 interface with expandable infrared and remote 4G communication. Compatible with DL/T645-2007 and MODBUS-RTU protocols.
Reliable Switching Control
- Direct-connected versions have a built-in 80A magnetic latching relay for disconnection and reconnection. Transformer-operated versions support external switch on/off control.
Long Data Retention and Low Power Consumption
- Data retention exceeds 20 years, with internal power consumption ≤2W / 10VA. Operating frequency is 50/60Hz ±10% and operating voltage is Un ±10%.
Durable Protective Construction
- The base uses flame-retardant ABS. The transparent upper window and terminal cover use flame-retardant, impact-resistant polycarbonate. The terminal block uses glass-fiber-reinforced polycarbonate, and terminals use nickel-plated 95 brass.
- IP51 dust and water protection with Class II instrument insulation enclosure.
02 / SPECIFICATIONS
Technical specifications
| Description | Value |
|---|---|
| Energy Metering Accuracy | Active Class 1; reactive Class 2 |
| Reference Voltage (Un) | 3 × 220/380V |
| Operating Voltage | Un ±10% |
| Rated Current (Ib) | 1.5A / 5A / 10A / 15A / 20A / 30A |
| Maximum Current (Imax) | 20A / 40A / 60A / 80A / 100A |
| Starting Current | ≤0.004Ib |
| Overload Withstand Current | 30Imax for 0.01s |
| Operating Frequency | 50/60Hz ±10% |
| Internal Power Consumption | ≤2W / 10VA |
| Pulse Constant | 400 imp/kWh; 6400 imp/kWh |
| Data Retention | >20 years |
| Operating Humidity | ≤75% |
| Storage Humidity | ≤95% |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -30°C to +70°C |
| Dust and Water Protection | IP51 |
| Protective Insulation Enclosure | Instrument Class II |
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