11 RATINGS
11.1 AC MEASURING INPUTS
AC Measuring Inputs
Nominal frequency 50 Hz or 60 Hz (settable)
Operating range 40 Hz to 70 Hz
Phase rotation ABC or CBA
11.2 CURRENT TRANSFORMER INPUTS
AC Current
Nominal current (In) 1A and 5A dual rated*
Nominal burden per phase < 0.05 VA at In
AC current thermal withstand
Continuous: 4 x In
10
s: 30 x In
1 s: 100 x In
Linear to 40 x In (non-offset ac current)
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
Nominal voltage 100 V to 120 V
Nominal burden per phase < 0.1 VA at Vn
Thermal withstand Continuous: 2 x Vn, 10 s: 2.6 x Vn
Chapter 21 - Technical Specifications P24xM
452 P24xM-TM-EN-2.1
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