![Schneider Electric Residual Current Circuit Breaker Active 9 IID 4P 40A 30MA Type A, A9Z21440 [Energy Class B]](https://m.media-amazon.com/images/I/61rm2nb-TBL.jpg)








🛡️ Stay protected, stay ahead — the smart choice for modern power safety!
The Schneider Electric Residual Current Circuit Breaker Active 9 IID 4P 40A 30mA Type A (A9Z21440) is a high-performance safety device designed for both commercial and personal electrical systems. Featuring a 40-amp rated current and 30mA sensitivity, it ensures rapid detection of leakage currents to prevent electrical hazards. Compatible with 4-pin power systems and DIN rail mounting, it meets stringent European EN 61008 safety standards. Manufactured by Schneider Electric, this compact and reliable circuit breaker offers peace of mind with trusted quality and advanced protection.






| Manufacturer | Schneider Electric |
| Part Number | A9Z21440 |
| Product Dimensions | 5.4 x 8.2 x 9.5 cm; 373 g |
| Batteries | Nonstandard Battery batteries required. |
| Item model number | A9Z21440 |
| Size | 4 Polig |
| Colour | 40 amps |
| Style | Residual current circuit breaker |
| Power Source | Hand-operated |
| Voltage | 500 Volts |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Plug profile | DIN Rail Mount |
| Usage | Commercial and personal use |
| Included Components | Residual current circuit breaker FI circuit breaker ACTI9 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 373 g |
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