| DESCRIPTION | |
| It measures the energy (Watt - Hour) consumed by the load. |
| FEATURES | |
| • | True RMS measurement. |
| • | Isolated Soild - State Pulse Output Or built - in RS - 485 interface for communication with PC. |
| • | Reverse direction indication. |
| • | Tamper - proof |
| • | Battery Backup facility to retain the data for six months. (only for kWh meter having in-built RS- 485 |
| ELECTRICAL SPECIFICATIONS | ||
| • | WIRING METHOD | Single Phase |
| 3 Phase 3 Element 4 Wire, | ||
| 3 Phase 2 Element 3 Wire. | ||
| • | OPERATING VOLTAGE (RANGE) | 110V Line voltage (85 to 130V) |
| 240V Phase Voltage (180V to 270V) | ||
| 415 Line Voltage (330V to 470V) | ||
| • | OPERATING CURRENT (RANGE) | 1Amp (0.05 to 1.2 Amps) |
| 5Amps (0.25A to 6Amps) | ||
| • | SIGNAL FREQUENCY | 45Hz TI 55Hz |
| • | OPERATING POWER FACTOR | 0.5 (Lag) - Unity - 0.8 (Lead) |
| • | ACCURACY | 1.0% |
| • | AUX. SUPPLY | 110V / 240V AC ±10%, 45Hz to 55Hz |
| • | VA BURDEN (RATED) | Voltage : 0.5 VA / Phase |
| Current : 0.5 VA / Phase | ||
| Aux. Supply : 3VA | ||
| • | DISPLAY | 6 Digit Mechanical Counter, Tamper proof, Non-resettable. |
| • | PULSE OUTPUT | 500 ± 50m sec. (ON period) |
| • | CONTACT RATING | 24VDC, 100mA DC |
| • | INTERFACE | RS 485 |
| • | INSULATING RESISTANCE | 5 Mohms at 500VDC |
| • | DIELECTRIC STRENGTH | 2kV RMS for 1minute |
| • | OPERATING TEMP. | 0° C to 55° C |
| • | STORAGE TEMP. | -10° C to 70° C |
| • | HUMIDITY | Upto 95% RH |
| • | CONFORMS TO | I.S 13779 |
| MECHANICAL SPECIFICATIONS | ||
| • | SIZE | 96 x 96 x 130mm |
| • | WEIGHT | 870gms. Approx. |
| Ordering information |
| 1) Wiring method 2) Operating Voltage 3) Operating Current 4) PT Ratio 5) CT Ratio Aux. Supply |
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