STE38-A STS Standard Keypad Prepaid Three Phase Electricity Meter

With a specialized and high performance three phase measurement feature, the STE38-A is an STS Standard compliant, keypad type, automatic shut off and turn on control prepaid electricity meter to measure three phase electricity usage and monitor other electrical parameters. The integrated keypad is offered to enter recharge 20 digits TOKEN and check information by short codes.

STE38-A owns an excellent anti-tamper feature like terminal cover open detection sensor to help utility or electricity company for revenue protection. It can utilizes PLC or Cable communication or Lora RF to CIU as an option and PLC and RF communication to Data Concentrator (for Smart Metering application) purpose. Its high accuracy can not do without the mature programming

STE38-A can also be integrated with African local mobile money for prepayment, like M-pesa, MTN, Airtel through API(Application Programming Interface), which is the agreement connecting the third party APP and our Stronpay vending software. In this way, users can top up electricity credit by mobile money without leaving the house and could check information by their telephone at hand with internet accessibility.

We are pleased to offer you samples. New clients are expected to pay for the courier cost and sample cost, the charge would be deducted from the payment for formal order.

Technical Parameters

Electrical Parameters

Nominal Voltage 3×230V

Working Voltage Range 70%~120%Un

Nominal Frequency 50-60Hz

Basic Current (Ib) 10A

Maximum Current (Imax) 100A

Starting Current (Ist) 30mA

Active Energy Constant 400imp/kWh

Active Energy Accuracy Class 1.0

Reactive Energy Accuracy Class 2.0

Power Consumption in Voltage Circuit <2W <8VA

Power Consumption in Current Circuit <1VA

Operation Temperature Range -25℃-70℃

Storage Temperature Range -40℃-85℃

Electro Magnetic Compatibility

AC Insulation Strength 4kV at 50Hz during 1min

Impulse voltage 1.2/50 us mains connections 8kV

Electrostatic Discharges

Contact discharge 8kV

Air discharge 16kV

Electromagnetic RF Field 27MHz-500MHz 10V/m

100KHz-1GHz 30V/m

Fast transient burst test 4kV

Mechanical requirements

Meter shell Water proof protection Rate IP54

Protection Class II

Basic Functionality

Function

Prepayment: STS Standard, recharge by input 20digits TOKEN

Low credit alarm: Alarm value can be set by inputting corresponding TOKEN

Prepaid and post-paid switch: Meter can be switch to prepaid mode or post-paid mode

Load control function: Meter can be programmed for load control threshold, If the current power is more than threshold. The meter will cut off user load.

Event recording: Meter can record the tamper event, open cover event, purchase event and TOKENS.

Self-testing: Meter has a self-test function, it can test LCD and relay etc. and report the results directly

Anti-tamper: Meter will automatically close the valve after detection of magnetic field and open cover event

TOU Tariff: TOU Tariff can be set by inputting corresponding TOKEN

Overdraft Collection: Electricity Overdraft can be collected day by day or month by month

Communication: The meter is available with AMI system through LORA RF or Bluetooth 4.0 on request

Information Inquiry: Consumer could check the data like Credit Remain, Total Purchased and Total Credit by input the short code

Founded in 2007, Hunan Stron Smart Co., Ltd is the leading supplier of smart meters in China. There are 500 employees in our company including 100 technical engineers, and 100 people with professional title. We are devoting ourselves to be the intelligent product service provider.

In China, we have more than 10 million meters running in State Grid of China, which is the biggest utility in the world. All these meters are performing very well. Our production capacity is 8million smart meters per year. And a workshop only working for overseas’ order to guarantee the delivery time and quality control.

Stron owns a strong technical team comprised of industry professional engineers and eminent experts and has applied for over 100 patents and intellectual property rights, and a number of its products and technologies have won the national, provincial and municipal awards.