

🛡️ Stay protected, stay ahead — power safety redefined!
The Schneider Electric Residual Current Circuit Breaker Active 9 IID 4P 40A 30mA Type A (A9Z21440) is a high-performance safety device designed for 4-pin power systems. With a robust 40 Amp current rating and sensitive 30mA leakage detection, it ensures personal and fire protection while complying with the stringent EN 61008 European safety standard. Engineered by Schneider Electric, this DIN rail mount breaker combines reliability and precision for professional-grade electrical safety.












| ASIN | B00DE3XVEM |
| Best Sellers Rank | 539,748 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,237 in Circuit Breakers |
| Brand | Schneider Electric |
| Circuit Breaker Type | Standard |
| Circuit breaker type | Standard |
| Current Rating | 40 Amps |
| Current rating | 40 Amps |
| Customer Reviews | 4.7 out of 5 stars 1,832 Reviews |
| Global Trade Identification Number | 03606480443206 |
| Included Components | Residual current circuit breaker FI circuit breaker ACTI9 |
| Item Dimensions D x W x H | 5.4D x 8.2W x 9.5H centimetres |
| Item Type Name | Schneider Electric A9Z21440 A9Z21440 FI Circuit Breaker A 40A 0.03A 415V |
| Item Weight | 0.37 Kilograms |
| Manufacturer | Schneider Electric |
| Manufacturer Part Number | A9Z21440 |
| Model Number | A9Z21440 |
| Mounting Type | DIN Rail Mount |
| Mounting type | DIN Rail Mount |
| Number of Poles | 4 |
| Number of poles | 4 |
| Product dimensions | 5.4D x 8.2W x 9.5H centimetres |
| Unit Count | 1.0 count |
| Voltage | 500 Volts |
C**N
Int. Aut. Trifase
Ottimo prodotto
J**I
+
T**L
Leitungsschutzschalter
Guter Artikel
J**A
Bon et démocratique.
Très bon achat.
S**Z
Alles gut
Gute Ware, gute Qualität, Pass genau. Alles OK
Trustpilot
1 week ago
5 days ago