Energy Meter — energy meter and analyzer for systems
Country: Germany · Model: Energy Meter
The Energy Meter analyzer measures energy flows at the site connection point, directly up to 63 A and through current transformers above that. It goes into the switchboard so that the inverters and storage know how much energy is exported and how much is imported.
- Measurement
- per phase and total
- Communication
- Ethernet
- Current
- up to 63 A, above that with external current transformers
Technical specifications
| Measurement | per phase and total |
|---|---|
| Communication | Ethernet |
| Current | up to 63 A, above that with external current transformers |
| More from the manufacturer’s documentation | |
| Models | EMETER-20 (direct connection); EM-1CT63A-21 / EM-3CT63A-21 (Energy Meter CT, via current transformers) |
| Nominal voltage | 230–400 V~ (EMETER-20); 85–250 V~ (Energy Meter CT) |
| Frequency | 50 / 60 Hz (±5%) |
| Self-consumption | ≤ 3 W (EMETER-20); ≤ 2 W (Energy Meter CT) |
| Measuring accuracy | ≤ 1% (EMETER-20); ≤ 2% (Energy Meter CT) |
| Measuring cycle | 1,000 ms / 200 ms |
| Wi-Fi | Energy Meter CT |
| Mounting | DIN rail in switch or meter cabinet |
| Dimensions (W × H × D) | 70 × 88 × 65 mm, 4 DIN units (EMETER-20); 35 × 88 × 65 mm, 2 DIN units (Energy Meter CT) |
| Weight | 0.3 kg (EMETER-20); 0.2 / 0.3 kg (Energy Meter CT) |
| Operating temperature | −25 °C to +40 °C (EMETER-20); −25 °C to +55 °C (Energy Meter CT) |
| Storage temperature | −25 °C to +70 °C |
| Installation altitude | up to 2,000 m |
| Protection class / degree of protection | II / IP20 |
| Overvoltage category | CAT III |
| Warranty | 2 years |
| Customs codes (for reference) | |
| HS code | 9028.30 |
| UKTZED code (Ukraine) | 9028301900 (multiphase) |
| CN code (EU) | 90283019 (multiphase) |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The meter records energy per phase and in total and sends the data over Ethernet to the energy management system. Using these readings, the inverter limits grid export or controls battery charging. The EMETER-20 connects directly, works at 230–400 V, takes 4 DIN rail units (70 × 88 × 65 mm) and measures within 1%. The Energy Meter CT, in EM-1CT63A-21 and EM-3CT63A-21 versions, connects through current transformers, runs on 85–250 V, takes 2 units, measures within 2% and adds Wi-Fi. The measuring cycle is 1,000 ms or 200 ms depending on the model. Self-consumption stays at or below 3 W for the EMETER-20 and 2 W for the CT version. The protection class II, IP20, CAT III housing belongs inside a meter or distribution cabinet, rated −25 °C to +40 °C for the EMETER-20 and up to +55 °C for the CT version. The warranty is 2 years.
How to choose
Choose the model by service current. A house or small site with a service up to 63 A gets by with the direct-connected EMETER-20, which is also more accurate. On a larger service, fit the Energy Meter CT with transformers rated for the service current, and the meter itself takes half the rail space. Mount it at the grid boundary, ahead of any load branches, or the inverter will not see the real power flow.
Request a price and lead time
Energy Meter — energy meter and analyzer for systems. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the maximum direct-connection current of the Energy Meter?
Up to 63 A on the EMETER-20, and above that the CT version is used with external current transformers.
What communication interface does the Energy Meter use?
Ethernet on both models, and the Energy Meter CT also has Wi-Fi.
Does the Energy Meter measure each phase?
Yes, it measures per phase and in total.
How accurate is the Energy Meter?
Within 1% for the EMETER-20 and within 2% for the Energy Meter CT.
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