Keypad STS Standard Prepaid Three Phase Electricity Meter Anti Tamper
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.
The meter 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.
Electrical Parameters
| Nominal Voltage | 3×230V/400V |
| 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℃ |
Electric Magnetic Compatibility
AC Insulation Strength 4kV at 50Hz during 1min
Impulse voltage 1.2/50 us mains connections
Electrostatic Discharges Contact discharge 8kV
Air discharge 16kV
Electromagnetic RF Field 27MHz-500MHz 10V/m
100KHz-1GHz 30V/m
Fast transient burst test 4kV
Protection Class II
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