| Accuracy |
| Voltage | ± 1% of Nominal Value. |
| Current | ± 1% of Nominal Value. |
| Frequency | 0.5% of mid-frequency |
| Active Power | ± 1% of Nominal Value. |
| Re-Active Power | ± 1% of Nominal Value. |
| Apparent Power | ± 1% of Nominal Value. |
| Active Energy | ± 1% |
| Reactive Energy | ± 1% |
| Apparent Energy | ± 1% |
| Power Factor | 2% of Unity |
| Phase angle | 2% of the range |
| Reference Conditions for Accuracy |
| Reference Temperature | 23°C +/- 2°C |
| Input Waveform | Sinusoidal (distortion factor 0.005) |
| Input Frequency | 50 or 60 Hz ±2% |
| Auxiliary Supply Voltage | Rated Value ±1% |
| Auxiliary Supply Frequency | Rated Value ±1% |
| Voltage Range | 20 - 100% of the Nominal Value |
| Current Range | 10 - 100% of the Nominal Value |
| Power | - Cos phi/sin phi = 1 for Active / Reactive Power & Energy.
- 10 - 100% of Nominal Current & 20 - 100% of Nominal Voltage.
|
| Power Factor / Phase Angle | - 40 - 100% of the Nominal Current
- 20 - 100% of the Nominal Voltage
|
| Input Voltage |
| Nominal Input Voltage (AC RMS) | - Phase - Neutral 290V L-N
- Line-Line 500V L-L
|
| Max Continuous Input Voltage | 120% of the rated value |
| Nominal Input Voltage Burden | < 0.3 VA approx. per phase |
| System PT Secondary Values | 100VLL to 500VLL programmable on-site. |
| System PT Primary Values | 100VLL to 692kVLL programmable on-site. |
| Input Current |
| Nominal Input Current | 5A / 1A AC RMS |
| System CT Secondary Values | 1A & 5A programmable on site |
| System CT Primary Values | From 1A up to 9999A (for 1 or 5 Amp ) |
| Max ContinuousIinput Current | 120% of the rated value |
| Nominal Input Current Burden | < 0.2 VA approx. per phase |
| Auxiliary Supply |
| External Aux | 12-48 V DC |
| Self Powered | Input voltage range from 80% to 100% of the Rated value |
| Frequency range | 45 to 65 Hz |
| VA burden | < 4 VA Approx. |
| Overload Withstand |
| Voltage | 2 x rated value for 1 second, repeated 10 times at 10-second intervals |
| Current | 20x rated value for 1 second, repeated 5 times at 5 min intervals |
| Operating Measuring Ranges |
| Voltage Range With External Aux | 10 - 120% of the rated value |
| Current Range | 10 - 120% of the rated value |
| Frequency | 45 - 65 Hz. |
| Power Factor | 0.5 Lead - 1 - 0.5 Lag. |
| Limit Switch (Relay) |
| Switching Voltage & Current for Relay | 240 VDC,5 A (1NO+1NC) |
| Applicable Standards |
| EMC | IEC 61326-1 2005 |
| Safety | IEC 61010-1-2010, Permanently connected use |
| IP for Water & Dust | IEC60529 |
| Environmental |
| Operating Temperature | -20 to +70°C |
| Storage Temperature | -30 to +80°C |
| Relative Humidity | 0 to 90% non-condensing |
| Warm-up Time | Minimum 3 minute |
| Shock | 15g in 3 planes |
| Vibration | 10 - 55 - 10 Hz, 0.15mm amplitude |
| Dimensions and Weights |
| Bezel Size | 96 mm x 96 mm DIN 43 718 |
| Panel Cut-Out | 92 +0.8 mm x 92 + 0.8 mm |
| Overall Depth | 55 mm |
| Weight | 320 gm. Approx. |
