03 · Prepaid electricity meter

STE18

Single-Phase Prepaid Electricity Meter

A single-phase prepayment energy meter for homes and small units. Balance, warnings and connection status are all shown on the built-in display and status lights, with a keypad for entering top-up tokens.

Why clients choose it

• On-screen indicators for warning, communication status and credit, so customers always know where they stand.
• Keypad entry for STS prepayment tokens — no extra hardware required.
• Class 1.0 accuracy for billing-grade measurement.
• Class II protection and a wide operating range (-25°C to 70°C) suit both indoor and outdoor placement.
• Low self-power consumption keeps running costs to a minimum.
• Built and tested to IEC 62052/62053 international metering standards.

Key specifications

Nominal voltage

230 V (30%–120% of nominal)

Frequency

50–60 Hz

Current rating

Basic 5 A / Maximum 80 A

Accuracy class

Class 1.0

Prepayment method

STS-certified numeric token code

Power consumption

< 2 W / 8 VA (voltage circuit), < 1 VA (current circuit)

Working conditions

-25°C to +70°C (storage: -40°C to +85°C)

Protection

Class II

Standards

IEC 62052-11, IEC 62053-21