Table 1-1 7Sr11 Ordering Options - Siemens 7SR11 Manual

Table 1-1 7SR11 Ordering Options
Nondirectional O/C Relay
Overcurrent
and earth fault
protection
relay Protection Product
Overcurrent – Non Directional
Case I/O and Fascia
E4 case, 1 CT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs 1
E4 case, 4 CT, 3 Binary Inputs / 5 Binary Outputs, 10 LEDs
E4 case, 4 CT, 6 Binary Inputs / 8 Binary Outputs, 10 LEDs
Measuring Input
1/5 A, 50/60Hz
1/5 A, 50/60Hz with SEF Input
Auxiliary voltage
80 to 250V DC, 115V RMS AC, binary input threshold 19V DC
80 to 250V DC, binary input threshold 88V DC
24 to 60V DC, binary input threshold 19V DC
Communication Interface
Standard version – included in all models, USB front port,
RS485 rear port
Protocol
IEC 60870-5-103 and Modbus RTU and DNP3 (user selectable setting)
Relay Cover
Standard Version – No Push Buttons
Push Buttons – Down and Right Arrows
Protection Function Packages
Basic version
46BC
50
3)
50BF
50G/50N
51
3)
51G/51N
60CTS-1
64H
74T/CC
86
Standard version – as basic plus
37
46NPS
49
3)
50SEF
51SEF
81HBL2
51c
Standard version – plus
79
Additional Functionality
No Additional Functionality
1) 4CT is configured 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) Protection function package ordering option A is only available on hardware variant 7SR1102-1xA12-xAA0 – 4CT 3BI 5BO
6) AC Auxiliary voltage option not available on hardware versions earlier than /CC
©2012 Siemens Protection Devices Limited
1)
2)
– included in all models
5)
Broken conductor/load unbalance
3)
Instantaneous phase fault overcurrent
Circuit breaker fail
3)
Instantaneous earth fault
Time delayed phase fault overcurrent
Time delayed earth fault/SEF
CT Supervision
3)
High Impedance REF
Trip/Close circuit supervision
Hand reset contacts
Undercurrent
3) Negative phase sequence overcurrent
Thermal overload
Instantaneous sensitive earth fault
2)
2) Time delayed sensitive earth fault
2 Harmonic Block/Inrush Restraint
4) nd
3) Cold load pickup
Programmable logic
Autoreclose
7SR11 & 7SR12 Description Of Operation
□ □ □
7 S R 1 1 0 - A 1 2 -
▲ ▲ ▲ ▲ ▲ ▲
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | |
1
| | | | |
| | | | |
| | | |
| | | |
2
| | | |
3
| | | |
| | | |
| | |
1
| | |
3
| | |
| | |
| |
G
6)
| |
H
| |
J
| |
| |
|
1
|
|
|
2
□ □
A 0
▲ ▲ ▲
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| |
C
| | |
| |
C/D
| | |
| | |
| | |
| |
C/D
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| |
1
| |
2
| |
| |
|
A
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
|
C
| |
| |
| |
| |
| |
| |
| |
| |
| |
|
D
|
|
|
A
Chapter 1 Page 8 of 76