Siemens SENTRON 5SQ series, miniature circuit breaker 5SQ2170-2YA16, 1-pole, C-curve 16 A, 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 | C |
| 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) | 16 A |
| Supply voltage (at AC) | 240 V |
| Supply voltage frequency | 50 Hz |
| Product function (neutral conductor switching) | No |
Single-width unit (1 width unit) snaps onto standard DIN rail. Installation depth is 55 mm — shallow enough for compact enclosures but verify clearance for outgoing cables. IP20 finger-safe terminals suit enclosed distribution boards; not rated for wet or dusty environments.
3 kA per EN 60898 at 240 V AC.
C-curve, meaning it trips at 5 to 10 times the rated current (80–160 A for this 16 A unit).
Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.
The 5SQ2370-2YA04 is a 3-pole version rated 4 A C-curve, same 3 kA breaking capacity. It will not drop into a 1-pole panel position without rewiring the neutral and phase arrangement.
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