Siemens 7SR10 Argus Series, Manual

Page: 104 / 286

7SR10 Performance Specification
© 2018 Siemens Protection Devices Limited Chapter 3 Page 6 of 52
Table 1-2
Mechanical Specifications
Design Flush mounting, Non Draw-out Polycarbonate moulded case
Enclosure IP 54 (front panel)
IP 20 Protection for terminals (rear side)
Depth is 199 mm
Weight 1.6 kg (appx)
Table 1-3
Terminal Blocks
Current Inputs (X5) TE connectivity PIDG series insulated tin plated crimp ring terminal,
M3.5 Stud size, 2.6 mm² to 6.6 mm², 12 AWG
Voltage Inputs (X7) 6 position, M3 screw-type plug-in terminals suitable for 2.5 mm² cable
Auxiliary Supply (X3) 3 position, M3 screw-type plug-in terminals suitable for 2.5 mm² cable
Rear Communication
Port (X2)
4 position, M2 screw-type plug-in terminals suitable for 1.5 mm² cable
Front Communication
Port
USB, Type B
Binary Input (X1) 6 or 12 position, M3 screw-type plug-in terminals suitable for
2.5 mm
2
cable
Binary Input (X6) 6 position, M3 screw-type plug-in terminals suitable for 2.5 mm
2
cable
Binary Output (X4) 8 or 14 position, M3 screw-type plug-in terminals suitable for
2.5 mm
2
cable
Ground Terminal Tin plated crimp ring Terminal, M3 stud size, 4 mm² to 6 mm², 12 AWG
to 10 AWG, Yellow
Table 1-4
Current Inputs
Quantity 3 x Phase & 1 x Earth
Rated Current In 1 A/5 A
Measuring Range 80xI
n
8xI
n
(SEF)
Instrumentation ± 1 % (typical) (0.1xI
n
to 3xI
n
)
± 3 % (>3xI
n
to 80xI
n
)
SEF:
±
1 % (Typical) (0.01
xI
n
to 0.3
xI
n
)
±
3 % (> 0.3
xI
n
to 8
xI
n
)
Frequency 50 Hz (Range: 47.5 Hz to 52.5 Hz)
60 Hz (Range: 57 Hz to 63 Hz)
Thermal Withstand *
Continuous
1 s
4xI
n
100 A (1 A) 350 A (5 A)
Burden @ In ≤0.3 VA per phase and earth for both 1 A and 5 A
* ZY20 - Special version with Thermal withstand 500 A (5 A CT) for 1 s.