Residual Current Circuit Breaker (RCCB/RCD) designed for leakage protection. This Type B device is rated at 40A/63A with 30mA AC sensitivity and 6mA DC sensitivity, suitable for modern electrical installations requiring comprehensive earth leakage detection.
| Mode | Electromagnetic |
|---|---|
| Type (wave form of the earth leakage sensed) | B |
| Rated current In | 25A, 40A, 63A |
| Poles | 4P |
| Rated voltage | 4P 415V~ |
| Insulation voltage Ui | 500V |
| Rated frequency | 50/60Hz |
| Rated residual operation current (IΔn) | 30mA |
| Rated residual making and breaking capacity (IΔm) | 500 (In=25/40A), 630 (In=63A) |
| Short-circuit current Inc = IΔc | 10,000A |
| Break time under IΔn | ≤0.1s |
| Rated impulse withstand voltage (1.5/50) Uimp | 4000V |
| Dielectric test voltage at ind. freq. for 1 min | 2.5kV |
| Electrical life | 2,000 Cycles |
| Mechanical life | 4,000 Cycles |