
ABB miniature circuit breaker S803 2CCS893001R0501
- BrandABB
- SeriesS803
- Frequency50–60 Hz
- Built-in depth82.5 mm
- Rated voltage400 V
- Rated insulation voltage Ui690 V
- Stranded flexible conductor cross-section0–50 mm²

The S803N-D50 is a 3-pole High Performance Circuit breaker with D-Characteristic, with cage terminal and a rated current of 50 A. It is a current limiting devic
| Series | S803 |
|---|---|
| Electrical | |
| Frequency | 50–60 Hz |
| Rated voltage | 400 V |
| Rated insulation voltage Ui | 690 V |
| Stranded flexible conductor cross-section | 0–50 mm² |
| Solid conductor cross-section | 0–70 mm² |
| Rated current | 50 A |
| Power loss | 12.9 W |
| Rated impulse voltage | 8 kV |
| Tripping characteristic | D |
| Overvoltage category | 4 |
| Current limiting class | 3 |
| Tripping curve | D |
| Number of poles | 3 |
| Current type | AC/DC |
| With switched neutral conductor | No |
| Total number of poles | 3 |
| Mechanical | |
| Built-in depth | 82.5 mm |
| Recessed mounting | No |
| Width in modular units | 4.5 |
| Operating conditions | |
| Ambient operating temperature | -40–70 °C |
| Explosion-proof | No |
| IP protection rating | IP20 |
| Pollution degree (number) | 3 |
| Other | |
| Additional equipment possible | Yes |
| Type designation | S803N-D50 |
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