Description
The Siemens P1B440738 (7SD87) is a SIPROTEC 5 Line differential protection. (Flush-mounting; 1 x 19 in; DC 60 V to 250 V) New original Siemens part; availability and price on request.
Technical Specifications
| Manufacturer | Siemens |
|---|---|
| Manufacturer order code (MLFB) | P1B440738 |
| Product family | SIPROTEC 5 |
| Device type | 7SD87 |
| Product type | Line Differential Protection |
| Binary inputs (BE) | 55 |
| Binary outputs (BA) | 40 (22ST + 14F + 4HS + 0P) |
| Housing type | Flush-mounting |
| Measuring transducer inputs | 0 (20 mA or 10 V, fast), 0 (20 mA, standard) |
| Housing width | 1 x 19 in |
| Modules in 19" row 1 | IO208, PS201, IO202, IO207, IO207, IO209 |
| LEDs / push-buttons | 16 LEDs |
| Operating unit | Integrated |
| Key switch | None |
| Display type | Large display |
| Front design | Standard |
| Auxiliary voltage | DC 60 V to 250 V |
| Current measuring inputs (I) | 8 (protection) |
| Voltage measuring inputs (U) | 8 (Standard) |
| Country of origin | Germany |
Independent distributor — not an authorised Siemens dealer. Parameters are a direct translation of the official Siemens German product text (Langtext) for this exact order code.
