Siemens Argus 7SR11 User Manual

7SR11 & 7SR12 Description Of Operation
©2012 Siemens Protection Devices Limited Chapter 1 Page 11 of 76
Table 1-2 7SR12 Ordering Options
Directional O/C Relay 7
S
R
1
2
0
□
-
□
□
A
□
2 - □
□
A
0
▲
▲
▲
▲
▲
▲
▲
▲
▲
Directional
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Overcurrent and earth
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Fault Protection relay Protection Product
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Overcurrent – Directional
2
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Case I/O and Fascia
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E4 case, 1 CT, 3VT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs
4
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E4 case, 4 CT, 3VT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs 5
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E4 case, 4 CT, 3VT, 6 Binary Inputs / 8 Binary Outputs, 10 LEDs
6
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Measuring Input
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1/5 A, 63.5/110V, 50/60Hz
2
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1/5 A, 63.5/110V, 50/60Hz with SEF
4
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Auxiliary voltage
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80 to 250V DC, 115V RMS AC, binary input threshold 19V DC
5)
G
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80 to 250V DC, binary input threshold 88V DC
H
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24 to 60V DC, binary input threshold 19V DC
J
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Communication Interface
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Standard version – included in all models, USB front port,
RS485 rear port
1 |
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Protocol
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IEC 60870-5-103 and Modbus RTU and DNP3 (user selectable setting) 2 | | |
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Relay Cover
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Standard Version – No Push Buttons
1 | |
Push Buttons – Down and Right Arrows
2 | |
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Protection Function Packages
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Standard version – Included in all models
27/59 Under/overvoltage
37 Undercurrent
46BC
3)
Broken conductor/load unbalance
46NPS
3)
Negative phase sequence overcurrent
47
3)
Negative phase sequence voltage
49
3)
Thermal overload
50BF
3)
Circuit breaker fail
51V
3)
Voltage dependent overcurrent
59N Neutral voltage displacement
60CTS
3)
CT supervision
60VTS
3)
VT supervision
64H High Impedance REF
67/50
3)
Directional instantaneous phase fault overcurrent
67/50G 67/50N Directional instantaneous earth fault
67/50SEF
2)
Directional instantaneous sensitive earth fault
67/51
3)
Directional time delayed phase fault overcurrent
67/51G 67/51N Directional time delayed earth fault
67/51SEF
2)
Directional time delayed sensitive earth fault
81HBL2
4)
2
nd
Harmonic Block/Inrush Restraint
81U/O Under/Over Frequency
74T/CC Trip/Close circuit supervision
51c
3)
Cold load pickup
86 Hand reset contacts
Programmable logic
C
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Standard version – plus
79 Autoreclose
D |
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Additional Functionality
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No Additional Functionality
A
1) 4CT is confi
g
ured as 3PF + EF.
2) 4CT is configured as 3PF + SEF.
3) Functions only available in 4CT relay
4) Not available on single-pole SEF variant
5) AC Auxiliary voltage option not available on hardware versions earlier than /CC

Siemens Argus 7SR11 Specifications

General

Brand	Siemens
Model	Argus 7SR11
Category	Relays
Language	English