Siemens SIPROTEC 7SJ80

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