Siemens 7SR105 Rho - Page 80

7SR105 Rho Performance Specification
© 2018 Siemens Protection Devices Chapter 3 Page 4 of 17
Table 1-3 Terminal Blocks with Push Buttons
Current Inputs
(Terminal X5)
TE connectivity PIDG Series insulated tin plated Crimp ring terminal,
M3.5 Stud size, 2.6 mm
2
to 6.6 mm
2
, 12 AWG; Torque required 1.0 Nm
Auxiliary Supply
(Terminal X3)
Insulated tin plated crimp pin connector, 2.6 mm
2
to 6.6 mm
2
, 12 AWG to
10 AWG; Torque required 0.5 Nm to 0.6 Nm
Rear Communication
Port (Terminal X2)
Pin type lug/1.5 mm
2
control cable Torque required 0.34 Nm ±10%
Front Communication
Port
USB, Type B
Binary Input
(Terminal X1)
Insulated tin plated crimp pin connector, 2.6 mm
2
to 6.6 mm
2
, 12 AWG to
10 AWG; Torque required 0.5 Nm to 0.6 Nm
Temperature Inputs
(Terminal X6, X7)
Pin type lug/1.5 mm
2
control cable; Torque required 0.34 Nm ±10%
Binary Output
(Terminal X4)
Insulated tin plated crimp pin connector, 2.6 mm
2
to 6.6 mm
2
, 12 AWG to
10 AWG; Torque required 0.5 Nm to 0.6 Nm
Earth Connections
Tin plated crimp ring Terminal, M3 stud size, 4 mm
2
to 6 mm
2
, 12 AWG
to 10 AWG, Yellow; Torque required 0.5 Nm to 0.6 Nm
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
((Measured E/F)
Instrumentation ± 1 % (typical) (≥ 0.1xI
n
to 3xI
n
)
± 3 % (> 3xI
n
to 80xI
n
)
Frequency 50 Hz (Range: 47.5 Hz to 52.5 Hz)
60 Hz (Range: 57 Hz to 63 Hz)
Thermal Withstand:
Continuous
10 s
1 s
4xI
n
30 I
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
Table 1-5 Auxiliary Supply
Rated Voltage 60 V to 240 V AC/DC,
Tolerance -20 % to +10 %
Allowable superimposed
AC component
15 % of DC voltage
Typical Power
consumption (DC)
Typical Power
consumption (AC)
< 7 W
< 7 VA 0.5 PF
Max Interruption time
(Collapse to Zero)
≤ 100 ms (110 V DC)
≤ 1000 ms (230 V AC)