Siemens 7SJ85 - Page 1495

Tolerances
No filter applied
(33 % harmonics, in relation to the fundamental component)
With reference to k ⋅ I
rated
Up to 30th harmonic 2 % or 10 mA ( I
rated
= 1 A) or 50 mA ( I
rated
= 5 A),
2 % class acc. to IEC 60255-8
Up to 50th harmonic,
f
rated
= 50 Hz
4 % or 20 mA ( I
rated
= 1 A) or 100 mA ( I
rated
= 5 A),
4 % class acc. to IEC 60255-8
Up to 50th harmonic,
f
rated
= 60 Hz
5 % or 25 mA ( I
rated
= 1 A) or 125 mA ( I
rated
= 5 A),
5 % class acc. to IEC 60255-8
With the filter for compensation of the amplitude attenuation due to the anti-aliasing filter
(33 % harmonics, in relation to the fundamental component)
With reference to k ⋅ I
rated
Up to 30th harmonic 2 % or 10 mA ( I
rated
= 1 A) or 50 mA ( I
rated
= 5 A),
2 % class acc. to IEC 60255-8
Up to 50th harmonic,
f
rated
= 50 Hz
3 % or 20 mA ( I
rated
= 1 A) or 100 mA ( I
rated
= 5 A),
3 % class acc. to IEC 60255-8
Up to 50th harmonic,
f
rated
= 60 Hz
4 % or 20 mA ( I
rated
= 1 A) or 100 mA ( I
rated
= 5 A),
4 % class acc. to IEC 60255-8
With the filter for gain of harmonics including compensation of the amplitude attenuation
110
(33 % harmonics, in relation to the fundamental component)
With reference to k ⋅ I
rated
Up to 30th harmonic 2 % or 10 mA ( I
rated
= 1 A) or 50 mA ( I
rated
= 5 A),
2 % class acc. to IEC 60255-8
111
Up to 50th harmonic,
f
rated
= 50 Hz
4 % or 20 mA ( I
rated
= 1 A) or 100 mA ( I
rated
= 5 A),
4 % class acc. to IEC 60255-8
112
Up to 50th harmonic,
f
rated
= 60 Hz
5 % or 25 mA ( I
rated
= 1 A) or 125 mA ( I
rated
= 5 A),
5 % class acc. to IEC 60255-8
112
With reference to the
operate time
Up to 30th harmonic 3 % or 1 s for I/(k ⋅ I
rated
) > 1.25,
3 % class acc. to IEC 60255-8
Operate Curve
Operate curve
Where t Operate time
τ
th
Time constant
I Current load current
I
preload
Preload current
k Setting factor according to VDE 0435 part 3011 or
IEC 60255-8 (K factor)
I
rated, obj
Rated current of the protected object
110
In case that the filter response exactly matches the user-defined gain factor.
111
In case that the user-defined gain factor is set below 3. The tolerance is increased if the gain factor is larger.
112
In case that the user-defined gain factor is set below 7. The tolerance is increased if the gain factor is larger.
Technical Data
12.22 Thermal Overload Protection, 3-Phase – Advanced
SIPROTEC 5, Overcurrent Protection, Manual 1495
C53000-G5040-C017-8, Edition 07.2017