| Parameter |
| Type |
Name |
Statistics |
| Input |
Supply |
Three Phases and Neutral of a 3P4W system / Three Phases of a 3P3W system |
| Voltage |
Direct Voltage Input : Up to 500V L-L, Up to 300V L-N
PT Ratio: Site Selectable
Burden: 0.5VA |
| Current |
Secondary Current Input: 5A or 1A (Site Selectable)
CT Ratio: Site Selectable
Range of Reading : 5 - 5000A
Burden: < 1.0V
Overload: 5A CT = 6A RMS Continuous
1A CT = 1.2A RMS Continuous |
Power
Supply |
Auxiliary Supply: 90 - 480 VAC, 50-60 Hz. |
| Output |
Relay |
Two. Individually Field Programmable.
Switching Voltage: Max. 250 VAC
Switching Power : Max. 1000W
Expected Mechanical Life: >10 x 106 switching operations.
Expected Electrical Life : >4 x 106 switching operations.
@(Load = 200VA, Coscp = 0.5) |
| Measurment |
True RMS
Basic Parameters |
Voltag
(Volts L-N
& L-L) |
VL-N - Accuracy : 0.5% of Reading
VL-L - Accuracy : 1.0% of Reading |
Current
(Amps IR,
IY, IB) |
Accuracy : 0.25% of Reading |
Line
Frequency |
45 to 55 Hz, Accuracy: 0.3% of Reading |
| Power |
Active
Power (P) |
Accuracy: 1% of Reading
(For IPFI>0.5) |
Reactive
Power (Q) |
Accuracy: 1.5% of Reading
(Between 0.5 Lag to 0.8 Lead) |
Apparent
Power (S) |
Accuracy: 1%% of Reading |
Powe
Factor |
For Individual phases and System
Accuracy: 1.0% of Reading (IPFI20.5)
Range of Reading: 0.05 to 1.00 Lag/Lead |
| Energy |
Total
Active
Energy
(KWh) |
Range of Reading: 0 to 9999999.9 KWh
Accuracy: 1.0s as per IS13779 |
Total
Apparent
Energ
(KVAh) |
Range of Reading: 0 to 9999999.9 KWh
Accuracy: 1.0% of Reading |
Total
Apparent
Energy
(KVARh) |
Range of Reading: 0 to 9999999.9 KWh
Accuracy: 1.5% of Reading |
Power
Quality |
THD for each Voltage (Optional) |
| THD for each Current (Optional) |
| Demand |
KVA/ KW
Demand |
Site Selectable. Demand Interval 15/30 Min. Also site selectable |
Max.
Demand |
Max. Value reached only. No time & date stamp |
| Dimensions |
Bezel |
96 X 96 mm |
| Miscellaneous |
Panel
Cutout |
92 X 92 mm |
Depth of
installation |
55 mm |
| |
Display |
16 X 1 Backlight LCD or 128 X 64 Graphical Backlight LCD(To be specified at the time of Ordering) |
| |
Operatin
temp |
10°C to 50°C |
| |
Weight |
0.35 Kgs (Approx.) |
| |
Min.
Operating
Current |
0.4% to 120% of CT primary |
| Comm. |
RS485 |
Modbus-RTU protocol |
