Electricity Meters
E521 Customer Interface Unit
The CIU is a device that is connected to the electricity meter and provides consumers with important information such as their current electricity usage, remaining balance, and payment history. It also allows consumers to top up their electricity credits remotely, without the need to visit a physical payment center.
Enquire About This Product01 / PRODUCT FEATURES
Product at a glance
Remote Credit Top-up
- Allows consumers to top up their electricity credits remotely, without visiting a physical payment center.
High-contrast LCD
- HTN LCD with a 49mm × 22mm screen and 5mm × 10mm main digits.
- High contrast, a 6 o’clock viewing direction and a UV-resistant polarizer.
Meter Data Display
- Displays energy, instantaneous parameters and time in the main data area.
- An OBIS display area follows IEC 62056-61 definitions and includes identifiers for historical data.
- Displays units including kWh, MWh, kvarh, kVAh, V, A and Hz.
Status and Alarm Indicators
- LCD symbols indicate communication status and signal strength, missing or low battery, and power level.
- Displays alarm and tamper indicators, specific alarm symbols, and connected or disconnected relay status.
- Credit, currency and operation success/failure indicators help users understand the current status.
Tariff and Power-flow Display
- Displays multi-time-of-use and step-tariff symbols.
- Four-quadrant symbols indicate positive and negative active power (+P/−P) and reactive power (+Q/−Q).
- Displays phase voltage and reverse phase-current symbols.
02 / SPECIFICATIONS
Technical specifications
| Description | Value |
|---|---|
| Power Supply | Type-C DC 5V |
| Communication | MBUS/PLC/RF Communication |
| Dimensions | 128mm × 63mm × 37mm |
| Operating Temperature | -40°C to +85°C |
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