Siemens SENTRON 5SJ4203-7HG42, 2-pole miniature circuit breaker, C-curve, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 2 MW wide, 70 mm deep.
Siemens 5SJ4203-7HG42 2-Pole MCB, C-Curve, 10/15 kA
MPN5SJ4203-7HG42
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Siemens SENTRON 5SJ4203-7HG42, 2-pole miniature circuit breaker, C-curve, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 2 MW wide, 70 mm deep.
$90.17 – $240.21Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breakers |
| Brand name | SENTRON |
| Application environment | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Number of poles | 2 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Modular width units | 2 |
| Width | 36 mm |
| Height | 121 mm |
| Depth | 70 mm |
| Installation depth | 70 mm |
| Mounting position | any |
| Min. | -40 °C |
| Max. | 75 °C |
| Protection degree (IP) | IP20, with connected conductors, IP 40 in the handle range |
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
| Parameter | Value |
|---|---|
| At AC rated value | 400 V |
| According to EN 60898 rated value | 10 kA |
Product details
Frequently asked questions
What is the equivalent or cross reference for 5SJ4203-7HG42?
No official cross-reference or successor is on record. The 5SJ4203-7HG42 is a current-production SENTRON 5SJ4 series breaker; verify the C-curve, 2-pole, and breaking capacity match your BOM line before substituting.
MPN
5SJ4203-7HG42