3-Mode Billing Operation
Supports STS token, currency prepaid and post-paid modes for flexible billing management.
DTS353 4G Three-Phase STS Prepayment Meter
DTS353 4G is a three-phase four-wire STS prepayment energy meter with integrated 4G GPRS communication (2G/3G compatible). It supports three operation modes — STS token, currency prepaid and post-paid — with magnetic latching relay, multi-tariff scheduling, maximum demand measurement, multi-type anti-tamper detection and DLMS/COSEM protocol. Class 1.0 active energy accuracy.
Wall / Suspension Mounted
3P4W Direct Connection
4G GPRS Communication
3×5(100) A Maximum current
230/400 V Rated voltage
Class 1.0 Active energy accuracy
−25°C to +70°C Operating temperature
Product Highlights
Three Phase Smart Prepayment Meter with 4G Connectivity
Class 1.0 Active Energy Accuracy
Class 1.0 active-energy and Class 2.0 reactive-energy measurement in accordance with IEC 62053-21.
4G + DLMS Communication
4G communication with 2G/3G fallback, DLMS protocol and IR interface for remote reading.
Multi-Tariff Billing
Supports multiple tariffs with configurable time periods for flexible billing applications.
Advanced Anti-Tamper Protection
Detects cover opening, bypass, magnetic interference and abnormal conditions with event logging.
Integrated 4G Communication
Built-in 4G communication with 2G/3G fallback for reliable remote connectivity.
Technical Specifications
Technical Specifications
| Voltage | 230/400 V |
| Frequency | 50 Hz |
| Rated current | 3 × 5(100) A |
| Start current | 40 mA (Class 1) / 50 mA (Class 2) |
| Over-voltage rating | 420 VAC for 48 hours |
| Active energy accuracy | Class 1.0 |
| Reactive energy accuracy | Class 2.0 |
| Communication interface | 4G GPRS (pluggable modem) + IR |
| Communication protocol | DLMS/COSEM (IEC 62056) |
| Cellular fallback | 2G / 3G compatible |
| Optical port | IR (IEC 62056-21) |
| Downlink | RF or Bluetooth (UIU) |
| LCD display | 6+2, credit-based fixed display with short-code navigation |
| Metering function | Forward/reverse energy, total active/reactive energy, power, voltage, current, power factor, frequency, maximum demand |
| Operation modes | 1. STS token mode; 2. Currency prepaid mode (tariff/step price); 3. Post-paid (traditional) mode |
| Tariff | Weekday and weekend timetables, 8 tariffs and 8 time periods, with backup table and remote switching |
| Anti-tamper | Bypass detection, open cover detection, magnetic disturbance, current unbalance, phase/neutral reversal, live-neutral double circuit |
| Event logging | 225 events with date/time stamp, compartment-wise persistence |
| Relay | Magnetic latching relay for load disconnect on credit exhaustion or tamper |
| STS operation | 20-digit token entry via keypad or IHD; green = accepted, red = rejected |
| Operating temperature | −25°C to +70°C |
| Relative humidity | ≤95% |
| Applicable standards | IEC 62052-11 / IEC 62053-21 / IEC 62056-21 / IEC 62055-41 |
Structure & Dimensions
DTS353 4G （Integrated） Dimensions & Wiring
Dimensions
Wiring
FAQ
Product FAQ
What is DTS353 4G （Integrated）?
DTS353 4G （Integrated） is a three-phase four-wire STS prepayment energy meter with integrated 4G GPRS communication (2G/3G compatible). It supports three operation modes — STS token, currency prepaid and post-paid — with magnetic latching relay, multi-tariff scheduling, maximum demand measurement, multi-type anti-tamper detection and DLMS/COSEM protocol. Class 1.0 active energy accuracy.
What operation modes does DTS353 4G （Integrated） support?
Three modes: STS token, currency prepaid and post-paid (traditional), switchable via communication.
Is the modem pluggable?
No. The 4G GPRS module is integrated. For a pluggable variant, see DTS353 GPRS 4G.
What is the certification/standard basis?
Complies with IEC 62052-11, IEC 62053-21, IEC 62055-41 and related standards.
Need a Smart Metering Solution for Your Project?
Tell us your requirements and our team will provide a professional solution and quotation within 24 hours.
Quick ResponseReply within 24 hours
Expert SupportEngineer-to-engineer
Custom SolutionsProject-ready from spec
Long-term PartnerSingle point of contact
