Siemens SENTRON 5SY4316-5, 3-pole miniature circuit breaker, 16 A rated current, 400 V AC, tripping characteristic A, 10 kA breaking capacity per EN 60898.
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Number of poles | 3 |
| Pole configuration | 3P |
| Suitability for operation | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Tripping characteristic (curve) | A |
| Breaking capacity per EN 60898 | 10 kA |
| Breaking capacity per IEC 60947-2 | 20 kA |
| Overvoltage category | III |
| IP protection class | IP20, with connected conductors |
| Pollution degree | 3 |
| Parameter | Value |
|---|---|
| Rated current (AC) | 16 A |
| Rated voltage (AC, multi-phase) | 440 V |
| Parameter | Value |
|---|---|
| Modular width units | 3 |
| Mounting position | any |
| Width | 54 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Terminal tightening torque, max. | 75 °C |
| Terminal tightening torque, min. | -40 °C |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Fastening method | Quick assembly system |
| Sealable | Yes |
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Influence of surrounding temperature | max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C |
The 5SY4316-5: Rated current derates with ambient temperature: 16 A at 35 °C, 15.04 A at 45 °C, 14.7 A at 50 °C, 14.37 A at 55 °C, and 14.02 A at 60 °C — the thermal-magnetic trip element responds to the actual temperature inside the panel, so a tightly packed enclosure or a high-ambient machine cabinet needs the derated value for the BOM calculation.
The 5SY4316-5 uses tripping characteristic A — a tight overcurrent curve designed for semiconductor and sensitive electronic load protection where minimal inrush current is expected.
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