
Schneider Electric A9CR8440
MPNA9CR8440
Active
Residual current circuit breaker (RCCB), Acti9 REDm, 4P, 40A, A type, 30mA
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Residual Current Protection
| Parameter | Value |
|---|---|
| Earth-leakage sensitivity (IΔn) | 30 mA |
| Earth-leakage protection class / type | Type A |
| Earth-leakage trip time delay | Instantaneous |
| Residual-current tripping technology | Voltage independent |
| Local signalling / indication | 1 LED Residual current device : ON/OFF indication green |
Electrical Ratings
| Parameter | Value |
|---|---|
| Rated current (In) | 40 A |
| Rated operational voltage (Ue) | 400 V AC 50 Hz |
| Poles description | 4P |
| Neutral pole position | Right |
| Network type | AC |
| Network frequency | 50 Hz |
| Rated insulation voltage (Ui) | 500 V AC 50 Hz conforming to EN 50557 |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Device location in system | Outgoer |
| Electrical durability | 4000 cycles 230 V AC 50 Hz open-close conforming to EN 50557 |
| Mechanical durability (operating cycles) | 4000 cycles open-close |
Identification
| Parameter | Value |
|---|---|
| Product name | Acti9 REDm |
| Product / component type | Residual current circuit breaker (RCCB) |
Mechanical
| Parameter | Value |
|---|---|
| Mounting support | DIN rail |
| Control type | Toggle |
| Width in 9 mm modules | 14 |
| Terminal connections | Guard tunnel terminal 35 mm² rigid Guard tunnel terminal 35 mm² flexible Guard tunnel terminal 35 mm² flexible with ferrule |
| Wire stripping length | Power circuit: 12 mm Signaling: 5 mm |
| Terminal tightening torque | Power circuit: 3 N.m Signaling: 0.5 N.m |
| Width | 126 mm |
| Height | 106 mm |
| Depth | 81 mm |
Environmental
| Parameter | Value |
|---|---|
| Operating ambient temperature | -25...60 °C |
| Storage ambient temperature | -40...70 °C |
| IP degree of protection | IP20 conforming to EN/IEC 60529 |
| Pollution degree | 2 conforming to EN 50557 |
| Relative humidity | 95 % at 55 °C |
| Operating altitude | 0...2000 m |
| Tropicalisation | 2 conforming to IEC 61008 |
Approvals
| Parameter | Value |
|---|---|
| Standards | EN/IEC 61008-1 |
MPN
A9CR8440