Rishabh RISH LM 1340 - Operating Ranges and Accuracy

Auxiliary Supply
External Higher Aux.
100V to 550V AC-DC
VA Burden With RS485 card
Operating Measuring Ranges
Voltage
20 ... 120 % of nominal Value
Current
1....200% of nominal value
(1....180% of nominal value for CF = 2)
Frequency
40 to 70 Hz
Power Factor
0.5 Lag ... 1 ... 0.8 Lead
Starting Current
Total Harmonic Distortion
THDv <= 50% upto 31st at Vn
THDv <= 200% upto 31st at In
(THDv <= 180% upto 31st at In for CF = 2)
< 6 VA approx. (at nominal)
VA Burden With Ethernet card
< 8 VA approx. (at nominal)
Aux Frequency Range
45 to 66 Hz
Reference conditions for Accuracy
Reference temperature
(as per IEC 62053-22)
0
23 C + 2 C
0
External Higher Aux. Nominal Value
230V AC/DC, 50/60 Hz for AC Aux
0.1% of Nominal (as per IEC 62053-22)
External Lower Aux.
12V to 60V AC-DC
External Lower Aux. Nominal Value
24 V AC / 48 V DC, 50/60 Hz for AC Aux
Input Waveform
Sinusoidal (distortion factor 0.005)
Input Frequency
50/60 Hz + 2%
Auxiliary supply Frequency
50/60 Hz + 1%
Voltage Range
20 ... 120 % of nominal Value
Current Range
10 ... 200 % of nominal Value
Ext. High Aux. (As per IEC 61557-12)
100V to 320V AC-DC
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