Siemens 7SR210 Argus Manual page 14

Ordering Information – 7SR210 Overcurrent Relay
Product description
Nondirectional O/C Relay
Multi function overcurrent
and earth fault protection
relay
) 4CT is configured as 3PF + EF/SEF (user selectable setting).
1
) For ESI48-4 compliance of binary inputs external resistors are required.
2
Siemens Protection Devices Limited
Variants
Protection Product
Overcurrent – Non Directional
Case I/O and Fascia
1)
E6 case, 4 CT, 9 Binary Inputs / 8 Binary Outputs, 8 LEDs
E8 case, 4 CT, 19 Binary Inputs / 16 Binary Outputs, 16 LEDs
E8 case, 4 CT, 19 Binary Inputs / 16 Binary Outputs, 8 LEDs + 6 Keys
Measuring Input
1/5 A, 50/60Hz
Auxiliary voltage
30 to 220V DC, binary input threshold 19V DC
30 to 220V DC, binary input threshold 88V DC
Communication Interface
Standard version – included in all models, USB front port, RS485 rear port
Standard version – plus additional rear F/O ST connectors (x2) and IRIG-B
Standard version – plus additional rear 1x RS485 and IRIG-B
Standard version – plus additional rear 1x RS232 and IRIG-B
Protocol
IEC 60870-5-103 and Modbus RTU (user selectable setting)
IEC 60870-5-103, Modbus RTU and DNP3.0 (user selectable setting)
Protection Function Packages
Standard version – Included in all models
37 Undercurrent
46BC Broken conductor/load unbalance
46NPS Negative phase sequence overcurrent
49 Thermal overload
50 Instantaneous phase fault overcurrent
50BF Circuit breaker fail
50G/50N Instantaneous earth fault
51 Time delayed phase fault overcurrent
51G/51N Time delayed earth fault/SEF
60CTS-I CT Supervision
64H High Impedance REF
74TC Trip circuit supervision
81HBL2 2 harmonic block/inrush restraint
nd
Cold load pickup
Programmable logic
Standard version – plus
79 Autoreclose
Additional Functionality
No Additional Functionality
Order No.
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7 S R 2 1 0 - 1
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1
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2
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4
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1
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A
B
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A - 0 A
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1
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2
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3
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4
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1
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2
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C
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D
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A
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