WiFi + Bluetooth Connectivity
Cloud connectivity via WiFi, Bluetooth communication for local setup and parameter configuration.
DTS353 Three-Phase Prepayment Meter with WiFi and Bluetooth
DTS353 is a three-phase four-wire prepayment watt-hour meter (wall-mounted) with WiFi and Bluetooth communication. It features a built-in magnetic latching relay for pay-before-use, remote meter reading, remote recharge, remote balance clearing, overpower tripping and automatic tripping on balance exhaustion. Class 1.0 accuracy.
Wall / Suspension Mounted
3P4W Direct Connection
WiFi + Bluetooth
3×5(100) A Maximum current
3×230/400 V Rated voltage
Class 1.0 Active energy accuracy
−20°C to +70°C Operating temperature
Product Highlights
Three Phase Smart Prepayment Meter with WiFi 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.
Remote Recharge & Token
Supports APP remote recharge and 20-digit Token input for offline top-up.
Built-in Load Control Relay
Magnetic latching relay enables load control, overload tripping and automatic reconnection.
Multi-Protection Functions
Provides overload, overvoltage and undervoltage protection with automatic reconnection.
Bluetooth Local Operation
Enables local configuration and Token input through Bluetooth connection.
Applications
Applications and Selection Guidance
Technical Specifications
Technical Specifications
| Voltage | 3 × 230/400 V |
| Frequency | 50 Hz |
| current | 3 × 5(100) A |
| Start current | 0.004 Ib |
| Pulse constant | 1000 imp/kWh |
| Power consumption | 2 W / 10 VA |
| Active energy accuracy | Class 1.0 |
| Communication interface | WiFi + Bluetooth |
| WiFi | Cloud connectivity for remote operations |
| Bluetooth | CIU connection for data viewing and token entry |
| IR | IR communication port |
| LCD display | 6+2, automatic scrolling |
| Metering function | Measures voltage, current, active/reactive power, frequency, power factor, total active/reactive energy |
| Prepaid function | Pay-before-use, remote recharge, remote meter reading, remote balance clearing |
| Recharge | 20-digit token entry or APS app remote recharge |
| Load control | Built-in magnetic latching relay: overpower tripping, auto tripping on balance exhaustion |
| Protection | Overload, overvoltage, undervoltage protection |
| Anti-tamper | Open cover detection, power theft status codes |
| Buzzer | Key tone and low battery alarm |
| Operating temperature | −20°C to +70°C |
| Relative humidity | < 75% |
| Applicable standards | IEC 62052-11 / IEC 62053-21 / IEC 62055-41 / GB/T 17215.321 / GB/T 17215.301 |
Structure & Dimensions
DTS353 Dimensions & Wiring
Dimensions
Wiring
FAQ
Product FAQ
What is DTS353?
DTS353 is a three-phase four-wire prepayment watt-hour meter (wall-mounted) with WiFi and Bluetooth communication. It features a built-in magnetic latching relay for pay-before-use, remote meter reading, remote recharge, remote balance clearing, overpower tripping and automatic tripping on balance exhaustion. Class 1.0 accuracy.
What operation modes does DTS353 support?
WiFi and Bluetooth for remote operations, plus IR communication port.
How is recharge performed?
Remote recharge via APS prepayment system/app, or 20-digit token entry on the keyboard.
What is the certification/standard basis?
Complies with IEC 62052-11, IEC 62053-21, IEC 62055-41 and related standards.
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