| Main miniature circuit breaker (SHU), 3x 1-pole, E 50A, 230/400 V Mounting on 40 mm busbars |
| Model |
| Product brand name | SENTRON |
| Product designation | Miniature circuit breaker |
| Design of the product | Main miniature circuit breaker |
| Design of the locking device | Locking slide with lock, additional wire seal, cable ties and Antilux |
| General technical data |
| Number of poles | 3 |
| Number of poles / Note | 3P |
| Tripping characteristic class | E |
| circuit-breaker / Design | 5SP3 |
| Mechanical service life (switching cycles) / typical | 20 000 |
| Overvoltage category | IV |
| Voltage |
| Insulation voltage / rated value | 690 V |
| Surge voltage resistance / rated value | 6 kV |
| Supply voltage |
| Supply voltage / at AC / rated value | 400 V |
| Supply voltage frequency / rated value | 50 Hz |
| Protection class |
| Protection class IP | IP40, with connected conductors |
| Switching capacity |
| Switching capacity current | |
| rated value | 25 kA |
| acc. to EN 60898 / rated value | 25 kA |
| Dissipation |
| Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 8 W |
| Electricity |
| Tripping residual / rated value / derated current / at 40 Cel | 47.5 A |
| Current / at AC / rated value | 50 A |
| Main circuit |
| Operating voltage / rated value | |
| minimum | 110 V |
| maximum | 440 V |
| Suitability for operation | Residential buildings/infrastructure |
| Product details |
| Product component | |
| outgoing feeder via spring-loaded terminal | Yes |
| Infeed at box terminal | Yes |
| Product feature | |
| Properties for main switches in accordance with EN 60204-1 | Yes |
| sealable | Yes |
| Product function |
| Product function / neutral conductor switching | No |
| Display and operation |
| Display version / for switch position indicator | OFF = green, ON = red |
| Connections |
| Connectable conductor cross-section | |
| of spring-loaded terminal / finely stranded / with core end processing | |
| — minimum | 2.5 mm² |
| — maximum | 16 mm² |
| of the box terminal | |
| — solid / minimum | 2.5 mm² |
| — solid / maximum | 50 mm² |
| — stranded / minimum | 2.5 mm² |
| — stranded / maximum | 50 mm² |
| Position / of power supply cord | Stipulated by installation in the lower section of the meter panel |
| Mechanical Design |
| Height | 151.3 mm |
| Depth | 89.5 mm |
| Depth / of the enclosure | 76.3 mm |
| Number of width units | 4.5 |
| Mounting type | Busbar |
| Mounting type / other installation / Note | On 40-mm busbar system in compliance with DIN 43870 Part 2 |
| Net weight | 1 262 g |
| Environmental conditions |
| Degree of pollution | 3 |
| Shock resistance | 30 g, at least 3 impacts, impact duration 11 ms |
| Vibration resistance / acc. to IEC 60068-2-6 | 2 g, 20 frequency cycles 5 to 150 to 15 Hz |
| Ambient temperature | |
| minimum | -25 °C |
| maximum | 55 °C |
| during storage / minimum | -40 °C |
| during storage / maximum | 70 °C |
