![Schneider Electric A9Z21440 FI Circuit Breaker A 40A 0.03A 415V, 40 amps, 4 Polig [Energy Class B]](https://m.media-amazon.com/images/I/61rm2nb-TBL.jpg)










⚡ Stay powered, stay protected — the smart choice for modern energy management!
The Schneider Electric A9Z21440 is a 40A, 4-pole Type A residual current circuit breaker with 30mA sensitivity, designed to provide superior personal and fire protection. Compliant with EN 61008 European safety standards, it is ideal for both commercial and residential 4-pin power systems, combining trusted Schneider Electric quality with advanced safety features.
| 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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