The Siemens 25A 4P 30mA A 4 Modules 400V Residual current device is an advanced protective device designed to safeguard people and electrical systems. Ideal for residential, commercial and industrial applications, it provides effective protection against insulation faults and current leakage:
Current rating: 25 amps
Poles: 4 poles, for three-phase protection
Differential sensitivity: 30mA (Type A), protects against alternating and pulsating continuous currents
Rated voltage: 400V
Number of modules: 4, for compact installation
Standards: Conforms to IEC/EN 61008-1 standards for reliable and certified protection.
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| Feature | Detail |
|---|---|
| Number of poles | 4 |
| Construction size | For recessed installation devices according to DIN 43880: 1 |
| Mechanical service life (operating cycles) | Typ. 10 000 |
| Max. permissible upstream fuse short-circuit current | 80 A |
| Resistance to short-circuit current | 10 kA |
| Short time delay switching function | No |
| Overvoltage category | III |
| Isolation voltage (Ui) rated value | 2 000 V |
| Fault current per trip rated value | 30 mA |
| Allowable limited interrupting current | 5 200 A |
| Allowable I²t value | 58 000 A²-s |
| Feature | Detail |
|---|---|
| Supply voltage for test device min. | 195 V |
| Range of values of supply voltage frequency | 50 Hz |
| Range of values of the frequency of use | 50 Hz |
| Range of values of the supply voltage with AC | 400 V |
| Feature | Detail |
|---|---|
| IP protection class | IP20, for installation in distribution board, with conductors connected |
| Feature | Detail |
|---|---|
| Height | 90 mm |
| Width | 72 mm |
| Depth | 70 mm |
| Recessed depth | 70 mm |
| Number of width modular units | 4 |
| Type of mounting | DIN rail (REG) |
| Mounting position | As desired |
| Net weight | Approx. 317 grams |
| Feature | Detail |
|---|---|
| Ambient temperature during operation |
|
| Ambient temperature during storage | Min: -40 °C |
| Number of test cycles per environmental test according to IEC 60068-2-30 | Standard |
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