3-Mode Billing Operation
Supports STS token, currency prepaid and post-paid modes for flexible billing management.
DTS353 4G Three-Phase STS Wall-Mounted Prepayment Meter
DTS353 4G is a three-phase four-wire STS prepayment energy meter with pluggable 4G GPRS communication (2G/3G compatible). It supports three operation modes — STS token, currency prepaid and post-paid — with magnetic latching relay, 8 tariffs/8 time periods, comprehensive anti-tamper detection and 225-event logging. Class 1.0 active energy accuracy, DLMS/COSEM protocol.
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
4G Smart Prepayment Meter with Advanced Billing
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 / LTE Remote Communication
Supports 4G/LTE with 2G/3G fallback and DLMS/COSEM. A PLC version is also available for selected projects.
8-Tariff TOU Billing
Supports 8 tariffs and 8 time periods with remote tariff configuration for time-of-use billing.
Advanced Anti-Tamper Protection
Detects bypass, cover opening, magnetic interference, current reversal and abnormal conditions with event logging.
Pluggable Communication Module
Replaceable communication module enables flexible field upgrade and maintenance.
Technical Specifications
Technical Specifications
| Voltage | 230/400 V |
| Frequency | 50 ±2% Hz |
| Rated current | 3 × 5(100) A |
| Start current | 40 mA |
| Pulse constant | 1000 imp/kWh |
| Power consumption | 10 VA / 2 W |
| 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 | −20°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 Dimensions & Wiring
Dimensions
Wiring
FAQ
Product FAQ
What is DTS353 4G?
DTS353 4G is a three-phase four-wire STS prepayment energy meter with pluggable 4G GPRS communication (2G/3G compatible). It supports three operation modes — STS token, currency prepaid and post-paid — with magnetic latching relay, 8 tariffs/8 time periods, comprehensive anti-tamper detection and 225-event logging. Class 1.0 active energy accuracy, DLMS/COSEM protocol.
What operation modes does DTS353 4G support?
Three modes: STS token, currency prepaid and post-paid (traditional), switchable via communication.
Is the 4G communication module pluggable?
Yes. The 4G GPRS modem is pluggable for field replacement.
What is the certification/standard basis?
Complies with IEC 62052-11, IEC 62053-21, IEC 62055-41 and related standards.
Is a PLC communication version available for DTS353?
Yes. A PLC communication version of DTS353 is also available for selected project configurations. The 4G version remains the primary configuration shown on this page. The required communication version should be confirmed during model selection, as communication hardware and integration requirements may differ by project.
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