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["A3 Alpha","electric meter","electrical meter","honeywell","kilowatt hour meter","kwh meter","meter","meters","power meters","socket","submeter","submetering"]
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- kWh metering
- Programmed, plug-and-play ready
- Revenue grade (0.2 accuracy class)
- Wide operating voltage, current, and temperature ranges
- 64 KB nonvolatile memory
- high accuracy internal clock
- Easy upgrades with software and optional hardware
- Polycarbonate enclosure
Maximum Voltage | Continuous 528 VAC (AnyPhase option: L-L or N-N) |
Maximum Current | Continuous at Class amperes; temporary (1 second) |
Voltage Range |
|
Nameplate nominal range | 120 V - 480 V |
Operating range | 96 V - 528 V |
Surge Voltage Withstand | |
ANSI C37.90.1 oscillatory | 2.5kV, 2500 strikes |
Fast transient | 5 kV, 2500 strikes |
ANSI C62.41 | 6 kV, @ 1.2/50 µs, 10 strikes |
IEC 61000-4-4 | 4 kV, 2.5 kHz repetitive burst for 1 min. |
ANSI C12.16 | 2.5 kV, 60 Hz for 1 min. |
Current Range | 0 to Class amperes |
Frequency Range | Nominal 50 Hz to 60 Hz ± 5 % |
Temperature | -40 °C to +85 °C inside meter cover |
Humidity | 0 to 100% noncondensing |
Power Supply Burden
| Less than 4 W |
Per phase current burden | 0.1 milliohms typical at 25 °C |
Per phase voltage burden | 0.008 W at 120 V; 0.03 W at 240 V; 0.04 W at 480 V |
Accuracy
| Meets ANSI C12.20 accuracy for accuracy Class 0.2 % |
Starting Current
| 5 mA for Class 20 50 mA for Class 200 80 mA for Class 320 |
Primary Time Base | Power line frequency (50 Hz or 60 Hz) with selectable crystal oscillator |
Secondary Time Base | Meets the ANSI limit of 0.02 % using the 32.768 kHz crystal. Initial performance is expected to be equal to or better than ±55 seconds per month at room temperature. |
Outage Carryover Capacity | 6 hours at 25 °C. Super capacitor rated at 0.1 Farads, 5.5 V. |
Communication Rates | Optical port: 300 to 28,800 bps; Remote port: 1200 to 19,200 bps |
ANSI Standards | C12.1; C12.10; C13.18; C12.19; C12.20; C12.21 |
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