Easy9 Pro
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RESIDUAL CURRENT CIRCUIT BREAKER (RCCB)
Residual current circuit breaker(RCCB), Easy9 Pro, 4P, 40A, AC Type, 30mA
SKU EZ9R39440Schneider Electric EZ9R39440 is a residual current circuit breaker (rccb) in the Easy9 Pro range. Key specifications include rated current: 40 A; poles: 4P; residual sensitivity: 30 mA.
40 ARated current
4PPoles
30 mAResidual sensitivity
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | EZ9R39440 |
|---|---|
| Range | Easy9 Pro |
| Product or component type | Residual current circuit breaker (RCCB) |
| Device short name | Easy9 Pro RCCB |
| Device application | Distribution |
| Poles description | 4P |
| Neutral position | Left |
| [In] rated current | 40 A |
| Network type | AC |
| Earth-leakage sensitivity | 30 mA |
| Earth-leakage protection time delay | Instantaneous |
| Earth-leakage protection class | Type AC |
| Rated breaking and making capacity | 500 A |
| Rated conditional short-circuit current | 10 kA |
| Device location in system | Outgoer |
| Network frequency | 50/60 Hz |
| [Ue] rated operational voltage | 415 V AC 50/60 Hz |
| Residual current tripping technology | Voltage independent |
| [Ui] rated insulation voltage | 500 V |
| [Uimp] rated impulse withstand voltage | 4 kV |
| Contact position indicator | Yes |
| Surge current | 250 A |
| Control type | Toggle |
| Mounting mode | Clip-on |
| Mounting support | DIN rail |
| Comb busbar and distribution block compatibility | Top: pin type Bottom: pin/fork type |
| 9 mm pitches | 8 |
| Height | 85 mm |
| Width | 72 mm |
| Depth | 79 mm |
| Net weight | 354 g |
| Colour | Grey (RAL 7035) |
| Mechanical durability | 5000 cycles |
| Electrical durability | 4000 cycles |
| Connections - terminals | Tunnel type terminal (top and bottom) 1…35 mm² rigid Tunnel type terminal (top and bottom) 1…25 mm² flexible |
| Standards | IEC/EN 61008-1 IEC/EN 61008-2-1 |
| Product certifications | CE TSE |
| IP degree of protection | IP20 |
| Pollution degree | 2 |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Relative humidity | 95 % at 55 °C |
| Ambient air temperature for operation | -5…60 °C |
| Ambient air temperature for storage | -40…85 °C |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.
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