Siemens SENTRON 5SY5206-7CC11 miniature circuit breaker, 2-pole C-curve, 6 A (35 °C), DC 10 kA at 440 V, railway design, IP20.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Application environment | Railway |
| Parameter | Value |
|---|---|
| Number of poles | 2 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Modular width units | 2 |
| Width | 36 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Mounting position | any |
| Min. | -40 °C |
| Max. | 75 °C |
| Protection degree (IP) | IP20, with connected conductors |
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
Snaps onto DIN rail via the quick assembly system; mounting position any, so it works upright, sideways, or inverted in tight enclosures. Width is 36 mm (2 modular units), depth 76 mm, height 90 mm, with an installation depth of 70 mm behind the panel. Combined terminals top and bottom accept wiring without extra accessories. IP20 with connected conductors — fine for dry indoor panels; not for washdown or outdoor exposure.
It is a miniature circuit breaker for DC railway applications, protecting wiring and loads against overcurrent and short circuits in rolling stock or trackside auxiliary circuits.
Both are 2-pole SENTRON MCBs with the same 36 mm width and DIN-rail mount, so the mechanical fit is identical. However, 5SY5250-7 is a higher-current variant (50 A vs 6 A) — check the load rating and cable sizing before swapping.
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