Siemens SENTRON 5SY4225-8CC11 miniature circuit breaker, 2-pole, D tripping characteristic, 25 A rated current, 10 kA breaking capacity at 400 V AC per EN 60898, 72 V DC max, IP20.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Application environment | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Number of poles | 2 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | D |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Width | 36 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Mounting position | any |
| Protection degree (IP) | IP20, with connected conductors |
It also carries a DC rating of 72 V max, so it can serve DC sub-circuits in the same enclosure.
The 36 mm width (2 width units) fits standard 18 mm/module spacing. Screw terminals torque to 2.5–3.5 N·m. Ambient range -40 to +70 °C covers most industrial enclosures; storage range extends to +75 °C.
10 kA at 400 V AC per EN 60898. That's the rated short-circuit capacity for this 2-pole, 25 A D-curve breaker. For multi-phase operation at 440 V AC, the rating applies per the standard.
Solid or stranded conductors from 0.75 mm² up to 35 mm². The screw terminals are rated for that range with a tightening torque of 2.5 to 3.5 N·m.
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