EN
The QCM31 three-phase prepayment IC Card meter supports bidirectional active energy metering for factories and commercial sites. Compatible with 50/60Hz grids, it covers a wide voltage range 0.7Un–1.3Un and multiple current specs up to 3×100A, with ultra-low starting current for accurate low-load reading.
It adopts a one-meter-one-card IC card recharge system with overdraft function and auto power cut when the balance is exhausted. Integrated overload alarm, self-diagnosis, TOU multi-tariff billing, and abnormal event recording meet automated power settlement demands. Dual IR & RS485 interfaces enable remote data reading and configuration, paired with a 6+2 digit LCD display.
Low power consumption: ≤10VA for voltage loop and ≤4VA for current loop. Rated IP54 protection, stable operating temperature from -25℃ to +65℃, storage range -35℃~+75℃ under ≤85% humidity. Compact size 220×145×71mm, net weight 1.4kg, reliable for three-phase prepaid power management projects.
1. STS standard protocol ensures an open and secure operating system
2. Prepayment and post-payment modes are switchable for users’ convenience
1. Bi-directional measurement of active energy.
2. Prepayment is made via a numeric token logged in the IC card.
3. One meter, one card, ensuring data for power consumption safety and reliability.
4.Overdraft/Credit power usage.
5. Overload detection, control, and alarming.
6. TOU support, multi-tariff energy measurement.
7. Support errors self-detection function.
8. Support infrared and RS485 communication.
9. IC card crack and overdraft event recording.
10. Automatic cutoff when the credit is zero.
| Specifications | QCM31 | |
| Accuracy | Active | 1.0 |
| Vollage | Rated current | 3×57.7/100V,3×220/380V,3×230/240V,3×240/415V,3×100V,3×380V,3×400V,3×415V |
| Range | 0.8Un-1.2Un | |
| Limit | 0.7Un-1.3Un | |
| Frequency | 50Hz/60Hz | |
| Basic Current(lb) | Range | 3×1.5,3×5A,3×10A |
| Maximum Current(lmax) | Range | 3×6A,3×40A,3×60A,3×80A,3×100A |
| Starting Current | 0.4%lb | |
| Display | Type | LCD |
| Digit | 6+2 | |
| Power Consumption |
Voltage Circuit | ≤2.0W,10VA |
| Current Girauit | ≤4VA | |
| Communication | Interface | IR/RS485 |
| Temperature Condition | Work Temperature | -25℃～+65℃ |
| Storage Temperature | -35℃～+75℃ | |
| Humidity | ≤85% | |
| IP degree | IP54 | |
| Dimension | 220X145X71mm | |
| Weight | Net weight | 1.4kg |
| Weight | 1.6kg | |
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