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https://www.acrelenergy.com/products/prepayment-energy-meter/

The electronic prepaid electric energy meter adopts a guide rail installation structure and has the functions of prepayment, load control, and RS485 communication. The smart prepaid electricity meter is an ideal electric energy meter for reforming the traditional electricity system and improving the level of electricity management. Acrel electric as one of the most professional prepaid electric meter suppliers, can provide you various types of prepaid electricity meters.

Types of Prepaid Electricity Meters for Sale

Three Phase DTSY1352
Digital single phase prepaid rs485 energy meter.

Single Phase DDSY1352
Three phase electricity Prepaid Billing Meters with RS485.