
Siemens 7SR1814-1NC87-0CA0
Solkor 7SR18 differential protection, E6 case size, 6 binary inputs, 8 binary outputs
- MPN
- 7SR1814-1NC87-0CA0
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What is the Siemens 7SR1814-1NC87-0CA0?
Solkor 7SR18 differential protection, E6 case size, 6 binary inputs, 8 binary outputs, 10 LEDs + 6 keys with LED, measuring input: 4 CTs (1A/5A), 24-250 V DC, 100 - 230 V AC, binary input threshold 88 V DC, signal: optical fibre link (1300 nm) (LC connection) 40 km, communication interface: USB front, RS485 rear, optical ethernet duplex (x2) rear port, IEC 60870-5-103 + Modbus RTU + DNP3 (user selectable) + IEC 61850, protection function packages: standard version
Specifications
Product details
| product feature / conformal coating | No |
| number of function keys | 11 |
| number of LEDs | 16 |
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 |
| 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 |
Protection Functions
| three-pole tripping | Yes |
| undercurrent protection (ANSI 37) | Yes |
| overcurrent-time protection negative sequence system (ANSI 46) | Yes |
| thermal overload protection (ANSI 49) | Yes |
| definite overcurrent-time protection (ANSI 50/50N) | Yes |
| Switch On To Fault (ANSI SOTF) | 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) | No |
| directional overcurrent-time protection, phases (ANSI 67) | No |
| directional ground fault protection (ANSI 67N) | No |
| trip-circuit supervision (ANSI 74TC) | Yes |
| automatic reclosing (ANSI 79) | No |
| closing lock-out (ANSI 86) | Yes |
| differential protection (ANSI 87) | 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 |
Inputs / Outputs
| number of digital inputs / maximum | 6 |
| number of digital outputs / incl. signaling contact / maximum | 8 |
| number of voltage inputs / maximum | 0 |
| number of current inputs / maximum | 4 |
Communication
| product component / operating interface (on the front) | Yes |
| number of interfaces / according to RS 485 | 1 |
| number of interfaces / according to Ethernet | 2 |
| number of interfaces / according to Ethernet / note | Optical LC |
| product component / optical interface | Yes |
| product component / optical interface / note | 40 km |
| protocol / is supported / IEC 61850 | Yes |
| protocol / is supported / IEC 60870-5-103 | Yes |
| protocol / is supported / Modbus RTU device | Yes |
| protocol / is supported / DNP 3, serial | Yes |
| protocol / is supported / PRP | Yes |
| protocol / is supported / RSTP | Yes |
| protocol / is supported / HSR | Yes |
Time synchronization
| type of time synchronization | 1sec/1min Pulse, Serial Comms, SNTP |
Mechanical Design
| width | 155.5 mm |
| height | 168 mm |
| depth | 216.5 mm |
| frame size of enclosure | E6 |
| design of the display | Text, 4 lines x 20 characters |
| product feature / plug-in terminal blocks | Yes |
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
7SR1814-1NC87-0CA0: frequently asked questions
When can 7SR1814-1NC87-0CA0 be shipped?
7SR1814-1NC87-0CA0 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 7SR1814-1NC87-0CA0 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 7SR1814-1NC87-0CA0 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 7SR1814-1NC87-0CA0, subject to availability and destination.
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