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9
Limit Values of Inputs and Outputs
Current inputs
Nominal Current
AC Current Overload Capability
– Thermal (rms)
– Dynamic (impulse)
AC Current Overload Capability for Sensitive Ground Fault Detection
– Thermal (rms)
– Dynamic (impulse)
Voltage Inputs
Secondary Nominal Voltage V
AC Voltage Input Overload Capacity
– Thermal (rms)
Input voltage range UL
26
I
1 A or 5 A
N
500 A
for 1 s
150 A
for 10 s
20 A
continuous
1250 A
(for 0.5 cycle)
300 A
for 1 s
100 A
for 10 s
15 A
continuous
750 A
(for 0.5 cycle)
34 V to 225 V
N
230 V continuous
300 V
SIPROTEC 7SJ80 / 7SK80 V4.60, Product Information
E50417-K1150-C342-A6, Edition 07.2010
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