| Residual current operated circuit breaker, 4-pole, type A, short-time delayed, In: 25 A, 30 mA, Un AC: 400 V |
| Model |
| Product brand name | SENTRON |
| Product designation | RCCB |
| Design of the product | Short-time delayed |
| General technical data |
| Number of poles | 4 |
| Size of installation devices / acc. to DIN 43880 | 1 |
| Protection against electrical shock | Finger and back-of-hand safe |
| Short-circuit current rating | 10 kA |
| circuit-breaker / Design | 5SM3 |
| Mechanical service life (switching cycles) / typical | 10 000 |
| Switching function / short-term delayed | Yes |
| Overvoltage category | III |
| Supply voltage |
| Supply voltage | |
| at AC / rated value | 400 V |
| for testing equipment / minimum | 100 V |
| Supply voltage frequency | |
| rated value | 50 Hz |
| Protection class |
| Protection class IP | IP20, if the distribution board is installed, with connected conductors |
| Switching capacity |
| Switching capacity current / according to IEC 61008-1 / rated value | 0.8 kA |
| Dissipation |
| Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 1.2 W |
| Electricity |
| Tripping residual current / rated value | 30 mA |
| Tripping residual / rated value / derated current | |
| at 40 Cel | 25 A |
| at 45 Cel | 25 A |
| at 50 Cel | 23.5 A |
| at 55 Cel | 22 A |
| at 60 Cel | 20.5 A |
| at 65 Cel | 19 A |
| at 70 Cel | 17.5 A |
| Type of fault current | A |
| Current / at AC / rated value | 25 A |
| I2t-value / permissible | 70 000 A²·s |
| Surge current resistance / rated value | 3 kA |
| Operating frequency | 50Hz |
| Product details |
| Product feature / silicon-free | Yes |
| Product extension / can be installed / supplementary devices | Yes |
| Number |
| Number of test cycles / for environmental testing / acc. to IEC 60068-2-30 | 28 |
| Connections |
| Connectable conductor cross-section / stranded | |
| minimum | 1.5 mm² |
| maximum | 25 mm² |
| Connectable conductor cross-section / solid | |
| minimum | 1.5 mm² |
| maximum | 25 mm² |
| Tightening torque / with screw-type terminals | |
| minimum | 2.5 N·m |
| maximum | 3 N·m |
| Position / of power supply cord | top or bottom |
| Mechanical Design |
| Height | 90 mm |
| Width | 72 mm |
| Depth | 77 mm |
| Mounting position | any |
| Installation depth | 70 mm |
| Number of width units | 4 |
| Mounting type | DIN rail (REG) |
| Net weight | 505 g |
| Environmental conditions |
| Ambient temperature | |
| minimum | -25 °C |
| maximum | 45 °C |
| during storage / minimum permissible | -40 °C |
| during storage / maximum permissible | 75 °C |
