5SJ4303-7HG42
Product ID:204888
Updated: 2026/7/3

Key Features
- 1Achieve robust 10kA electrical protection for demanding circuits.
- 2Ensure safety and compliance with UL 489 standards.
- 3Utilize a compact design measuring 121x54x70 mm.
- 4Simplify installation with user-friendly mounting technology.
- 5Integrate seamlessly using standardized additional components.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Installation Module | 3 | Description | 5SJ4 3P C3, 480Y/277V AC 10KA; Rated current 3A; Breaking capacity 10kA; Trip unit C |
| Others | 480Y/277VAC | Breaking Capacity Icn(kA) standard IEC60898 | 10 |
| Number of Poles | 3P | Trip Unit | C【C characteristic curve】 |
| Rated Current In(A) | 3 | Specifications | 5SJ4-HG【0.6-63A】 |
| Lifecycle | Delivery Release (PM300) | Country of Origin | Germany |
| ECCN | N | AL | N |
| Model Number | 5SJ4303-7HG42 |
Specifications may be subject to change without notice
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