Three-phase Prepaid KWH Meter

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“ For over 4 years working with Acrel, they have continuously demonstrated excellent technical ability while ensuring superior customer service. Their collaborative approach and real time flexibility in adapting to changing conditions has contributed to the success of many project goals. "

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Philippines
Cloud Platform for Power IoT is a synchronous integrated solution from energy meter installation to web interactive interface that can see the benefits of features with the first click mouse. Very convenient and fast. I will be with this product for a long time.

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Vietnam

Function

What’s the Function of Three-phase Prepaid KWH Meter?

Monitor

Voltage, Current, Power, Reactive Power, Apparent Power, Power Factor, Kilowatt-hours, Kilovar-hours etc

Tariff

1~4 kinds of Tariffs
Peak, Standard, Off-peak
14 Time period by day

Auto-Control

Built-in Relay
Switch Control

Communication

RS485, Modbus-Rtu

Specification

What’s the Specification of Acrel ADL series Three-phase Prepaid KWH Meter?

Panel
Specification	ADL100	ADL300
Phase	Single-phase	Three-phase

Parameter

What’s the Parameter of Three-phase Prepaid KWH Meter?

Parameter	Description&Value
Measurement	kWh&kVarh	Total active kWh (bidirectional –positive and negative in total)
Measurement	Electrical Parameters	U (Voltage), I (Current), P (Active Power), Q (Reactive Power),S (Apparent Power), PF (Power Factor), F (Frequency)
Function Mode	Prepaid Mode	Meter will shut down the power once the credit balance is below zero. (Data like credit balance is saved in the meter)
	Postpaid Mode	Meter won’t shut down the power once credit balance is below zero. (Can remotely control the meter to shut down the power by using Prepaid System)
	Mode Change	Meter can change the mode between prepaid and postpaid by receiving the command from prepaid system
Control	Auto-tripping Control	Auto-tripping control is processed by the built-in high-capacity holding relay of the meters to realized on-off control of circuits breaker, also, this type of control will only be triggerred when meter is in Prepaid Mode
Control	Remote Control	Remote control will be command by prepaid system. When users give a command of switch on-off to a certain meter, this command will be send to meters through wireless communication and finally meter will shut down or recover the power after receiving the command. This type of control can be done when meter is in Postpaid Mode
Multi-rate Multi-Tariff	Optional Function	4 tariff rates (spike, peak, valley, flat); 14 time intervals by day
Input Voltage	Rated Voltage	3×380~456Vac L-L (Voltage signal input will be also served as power supply for meters)
	Frequency	45~65Hz
	Consumption	<4VA (each phase)
Input Current	Rated Current	3×10(80)A AC (direct connection); 3×1(6)A AC (connected via CTs)
Input Current	Starting Current	0.004 Ib (direct connection); 0.002 In (connected via CTs)
Accuracy	Measurement	Class 0.5s
Accuracy	Clock	≤0.5s/d
Pulse	Pulse Width	80ms±20ms
Pulse	Pulse Constant	6400imp/kWh (direct connection); 400imp/kWh (connected via CTs)
Communication	RS485 Interface	MODBUS-RTU Protocol
Communication	Infrared	Used for Meter Reading
HMI	LCD Display	8 bits section LCD display
HMI	Keypads Programming	Setting of communication, current ratio and etc.
Mechanical Feature	Out-line Dimension (LWH)	72mm88mm70mm
Mechanical Feature	Max Wiring Ability (with Flexible Cable)	25mm²

Installation

How to Install the Three-phase Prepaid KWH Meter?

Why choose Acrel?

2003 Established
SZ.300286 Listed Company
1200+ People
25000+㎡ Plant
Factory Direct-sale

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