6 RATINGS
6.1 AC MEASURING INPUTS
AC Measuring Inputs
Nominal frequency 50 Hz or 60 Hz (settable)
Operating range 45 to 65 Hz
Phase rotation ABC or CBA
6.2 CURRENT TRANSFORMER INPUTS
AC Current Inputs
Nominal current (In) 1A or 5A
Nominal burden per phase < 0.2 VA at In
AC current thermal withstand (5A input)
20 A (continuous operation)
150 A (for 10 s)
500 A (for 1 s)
AC current thermal withstand (1A input)
4 A (continuous operation)
30 A (for 10 s)
100 A (for 1 s)
Linearity Linear up to 64 × In (non-offset)
6.3 VOLTAGE TRANSFORMER INPUTS
AC Voltage Inputs
Nominal voltage 100 V to 120 V
Nominal burden per phase < 0.1 VA at Vn
Thermal withstand
2 x Vn (continuous operation)
2.6 x Vn (for 10 seconds)
Linearity
Linear up to 200 V (100/120 V supply)
Linear up to 800 V (380/400 V supply)
6.4 AUXILIARY SUPPLY VOLTAGE
Nominal operating range
Cortec option (DC only)
24 to 48 V DC
Cortec option (rated for AC or DC operation)
48 to 110 V DC
40 to 100 V AC rms
Cortec option (rated for AC or DC operation)
110 to 250 V DC
100 to 240 V AC rms
P543i/P545i Chapter 27 - Technical Specifications
P54x1i-TM-EN-1 731
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