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Tameson UK£87.11Visit shop Schneider Electric Iem2050 Single Phase Power Meter 45A - A9mem2050
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This Schneider Electric power meter (A9MEM2050) is designed for commercial and industrial applications requiring basic energy monitoring. Its key benefit is providing accurate measurements of active/reactive power, energy, voltage, and current via an easy-to-read LCD display and Modbus communication. A caveat to consider is its suitability for direct measurement up to 45A, necessitating external current transformers for higher loads.
| Model Part Number | A9MEM2050 |
|---|---|
| Brand | Schneider Electric |
The meter can measure up to 45A directly. For currents exceeding 45A, external current transformers (CTs) are required.
It uses the Modbus RTU communication protocol via an RS485 interface.
Yes, it supports two-tariff systems when controlled externally.
The meter has an accuracy class of 1 for active energy measurement, compliant with IEC 62053-21.
The meter can operate in ambient air temperatures ranging from -25 to 70 °C.
It has an IP51 degree of protection, indicating it is protected against dust ingress and vertically falling water drops.
The meter is designed for DIN-rail mounting, with a width of 17.5 mm, a depth of 63 mm, and a height of 90 mm.
Verify that the power supply (230VAC) is correctly connected to the voltage input terminals and that the circuit breaker is active. Check the operating voltage range (96-276VAC).
Ensure the meter is correctly wired for the current being measured. If measuring above 45A, confirm that external CTs are properly installed and compatible. Check if the meter is operating within its specified voltage and frequency range. Verify Class 1 accuracy compliance.
Double-check the RS485 A and B wiring connections. Confirm the correct Modbus address and baud rate are configured on both the meter and the master device. Ensure the communication protocol settings match.
Verify that the external control signal for tariff switching is correctly connected and functioning. Ensure the meter is configured to accept this external control for dual-tariff operation.
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