SENTRON miniature circuit breaker 5SQ, 1-pole, B-characteristic, 20 A rated current, 3 kA breaking capacity per EN 60898, 240 V AC/DC, IP20.
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Number of poles | 1 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | B |
| Rated value (EN 60898) | 3 kA |
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Installation depth | 55 mm |
| Parameter | Value |
|---|---|
| IP protection class | IP20 |
| Parameter | Value |
|---|---|
| Type of voltage | AC/DC |
| Energy limiting class | 3 |
| Number of width units | 1 |
| Number of poles (Note) | 1P |
| Circuit-breaker (Design) | 5SQ |
| Current (at AC) | 20 A |
| Supply voltage (at AC) | 240 V |
| Supply voltage frequency | 50 Hz |
| Product function (neutral conductor switching) | No |
It protects branch circuits against overload and short-circuit in final distribution panels, per EN 60898, with a 3 kA breaking capacity.
Single width unit (1 MW) on DIN rail, 55 mm installation depth, IP20 finger-safe terminals. Overvoltage category III and energy limiting class 3 — standard for final-circuit protection in residential and commercial panels. The 1-pole design switches the line only; neutral is not switched. Rated 50 Hz supply frequency.
3 kA rated breaking capacity per EN 60898 at 240 V AC. That covers most final sub-circuits in residential and light commercial panels where the prospective short-circuit current stays under 3 kA.
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