Frequently Asked Questions
Replacement is a A9MEM3210
The replacement is a A9MEM3210.
Yes, the iEM3110 kWh meter with pulse output, is a 3 phase digital meter for direct connection up to 63Amps.
The part number for a Bacnet, NMI approved kilowatt-hour meter with CT's is a - A9MEM3265.
We recommend to use standard tested SE solution like using COM'X with Wifi dongle, which can be connected to iEM3155 over Modbus RTU and COM'X will sendthe data of meter over Wifi.
The New range of Acti9 A9MEM2150 for example only needs a N connection - it does not require to pass the N current through it.
To be able to measure the energy out from a Solar Panel a meter needs to be able to do Four Quadrant Calculation.
This means it is capable of Identification of imported and exported active and reactive energy allows you to monitor energy flow in both directions: delivered from the utility and produced on-site.
In the iEM3000 series the following meters are capable of Four Quadrant Calculation.
iEM31** range - iEM3135, iEM3155, iEM3165, and iEM3175
iEM32** range - iEM3235, iEM3255, iEM3265, and iEM3275
iEM33** range - iEM3335, iEM3355, iEM3365, and iEM3375
iEM34** range - iEM3455, iEM3465, iEM3555, and iEM3565