Description
SIEMENS 7SD6101-5BB29-0BF0/EE
High-speed differential protection for transmission lines with integrated backup and automation features
| Brand | SIEMENS |
| Model | 7SD6101-5BB29-0BF0/EE |
| Voltage | 110V DC / 220V AC (auxiliary supply) |
| Country of Origin | Germany |
| Weight | 12.5 kg |
| Dimensions | 483 x 177 x 300 mm (19-inch rack) |
| Warranty | 6 months |
| Certifications | CE, UL, IEC 60255, ANSI |
| SKU / MPN | 7SD6101-5BB29-0BF0/EE |
| What’s in the box | Protection relay unit, mounting brackets, terminal blocks, manual, test certificate |
| Protection Function | Line differential protection (87L) with distance backup |
| Current Inputs | 5 A / 1 A CT rated, 4 sets |
| Communication | IEC 61850, PROFINET, RS485, fiber optic |
| Trip Contacts | 6 trip outputs, 8 binary inputs |
| Fault Recording | 128 events, 64 fault records, COMTRADE |
| Mounting | 19-inch rack or panel mount |
Key benefits: Reliable line protection, fast tripping (<20 ms), IEC 61850 integration, advanced fault diagnostics, robust design for harsh environments
Typical applications: Transmission line protection in substations, high-voltage power grids, industrial power networks, renewable energy interconnection
Lifecycle: Active but nearing end-of-life, spare parts available until 2030
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
James P. –
Product was exactly as described. Our engineers were pleased with the performance.