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Siemens 7SR5121-6AF16-1AA0
Directional overcurrent time prot. 7SR51 5 curr. trans., 4 volt. trans., 8 TSI (Temperature Sensor Input)
- MPN
- 7SR5121-6AF16-1AA0
- Category
- Reyrolle 7SR51 - 4/5xI, 0/4xV
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- 3Approve it and we ship — in-stock parts within 1 business day
- 12-month warranty (new) · 3-month (used/refurbished)
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What is the Siemens 7SR5121-6AF16-1AA0?
Directional overcurrent time prot. 7SR51 5 curr. trans., 4 volt. trans., 8 TSI (Temperature Sensor Input), 37 BI, 18 BO, Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S12 enclosure, including conformal coating
Specifications
Product details
| product feature / conformal coating | Yes |
| warranty period | 5 a |
| number of function keys | 7 |
| number of LEDs | 28 |
Product Functions
| type of measured value detection / of operational measured value / standard | Yes |
| type of measured value detection / expanded / min./max. values, mean values | Yes |
| switching statistics | Yes |
| circuit breaker monitoring | Yes |
| product feature / logic editor | Yes |
| control | Yes |
| fault recording for analog and digital signals | Yes |
| sequence-of-events recorder | Yes |
| monitoring | Yes |
| number of parameter sets | 4 |
| parameter set switchover | Yes |
| circuit breaker test | Yes |
Protection Functions
| three-pole tripping | Yes |
| synchrocheck (ANSI 25) | Yes |
| undervoltage protection (ANSI 27) | Yes |
| directional power monitoring (ANSI 32) | Yes |
| forward power supervision (ANSI 32F) | Yes |
| reverse power protection (ANSI 32R) | Yes |
| undercurrent protection (ANSI 37) | Yes |
| unbalance protection (ANSI 46) | Yes |
| overcurrent-time protection negative sequence system (ANSI 46) | Yes |
| phase-rotation supervision (ANSI 47) | Yes |
| overvoltage protection negative-sequence system (ANSI 47) | Yes |
| thermal overload protection (ANSI 49) | Yes |
| definite overcurrent-time protection (ANSI 50/50N) | Yes |
| Switch On To Fault (ANSI SOTF) | Yes |
| arc protection (ANSI AFD) | Yes |
| sensitive ground current protection (ANSI 50Ns) | Yes |
| circuit breaker failure protection (ANSI 50BF) | Yes |
| dependent overcurrent-time protection (ANSI 51/51N) | Yes |
| dynamic response value changeover (ANSI 51C) | Yes |
| voltage-dependent overcurrent-time protection (ANSI 51V) | Yes |
| power factor (ANSI 55) | Yes |
| overvoltage protection (ANSI 59) | Yes |
| overvoltage protection zero-sequence system (ANSI 59N) | Yes |
| directional overcurrent-time protection, phases (ANSI 67) | Yes |
| directional ground fault protection (ANSI 67N) | Yes |
| directional sensitive ground-fault detection for resonant-grounded systems and isolated systems (ANSI 67Ns) | Yes |
| trip-circuit supervision (ANSI 74TC) | Yes |
| automatic reclosing (ANSI 79) | Yes |
| frequency protection (ANSI 81) | Yes |
| frequency variation protection (ANSI 81R) | Yes |
| vector step protection | Yes |
| closing lock-out (ANSI 86) | Yes |
| ground fault differential protection (ANSI 87N) | Yes |
| fault locator (ANSI FL) | Yes |
| inrush current detection | Yes |
| external trip initiation | Yes |
Supply voltage
| supply voltage / at AC | 100 ... 230 V |
| supply voltage / at DC | 24 ... 250 V |
| type of voltage / of the supply voltage | AC/DC |
Inputs / Outputs
| number of digital inputs / maximum | 37 |
| number of inputs / for temperature sensor | 8 |
| number of sensor inputs / for arc detectors | 0 |
| number of digital outputs / incl. signaling contact / maximum | 18 |
| number of fast digital outputs | 0 |
| number of voltage inputs / maximum | 4 |
| number of current inputs / maximum | 5 |
Communication
| product component / operating interface (on the front) | Yes |
| protocol / is supported / Modbus TCP | Yes |
| protocol / is supported / IEC 60870-5-103 | Yes |
| protocol / is supported / IEC 61850-8-1 | Yes |
| protocol / is supported / Modbus RTU device | Yes |
| protocol / is supported / DNP 3, serial | Yes |
| protocol / is supported / DNP 3.0 TCP as server | Yes |
| protocol / is supported / PRP | Yes |
| protocol / is supported / RSTP | Yes |
| protocol / is supported / HSR | Yes |
Time synchronization
| type of time synchronization | Data comms or Digital input |
Mechanical Design
| width | 308 mm |
| height | 177 mm |
| depth | 217.5 mm |
| frame size of enclosure | S12 |
| product function / hardware configuration expandable | No |
Environmental conditions
| ambient temperature / during operation | -10 ... +55 °C |
No matching specifications
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
7SR5121-6AF16-1AA0: frequently asked questions
When can 7SR5121-6AF16-1AA0 be shipped?
7SR5121-6AF16-1AA0 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 7SR5121-6AF16-1AA0 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 7SR5121-6AF16-1AA0 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 7SR5121-6AF16-1AA0, subject to availability and destination.
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