11 RATINGS
11.1 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
11.2 CURRENT TRANSFORMER INPUTS
AC Current Inputs
Nominal current (In) 1A or 5A dual rated*
Nominal burden per phase < 0.01 VA at In
AC current thermal withstand
20 A (continuous operation)
150 A (for 10
s)
500 A (for 1 s)
Linearity (standard CT) Linear up to 64In (non-offset)
Note:
* A single input is used for both 1A and 5A applications
. 1 A or 5 A operation is determined by means of software in the
product’s database.
Note:
These specif
ications are applicable to all CTs.
11.3 VOLTAGE TRANSFORMER INPUTS
AC Voltage Inputs
Nominal voltage 100 V to 120 V
Nominal burden per phase < 0.06 VA at Vn
Thermal withstand
2 x Vn (continuous operation)
2.6 x V
n (for 10 seconds)
Linearity
Linear up to 200 V (100/120 V supply)
Linear up to 800 V (380/400 V supply)
P64x Chapter 21 - Technical Specifications
P64x-TM-EN-1.3 473
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