- Manufacturer: Hager
- Manufacturer part number: CDA440D
- EAN: 3250611610076
- Product type: Residual current circuit breaker/RCCB/RCD
- Number of poles: 4
- Rated current: 40 A
- Rated residual current Idn: 30 mA
- Residual current type: A
- Rated conditional short-circuit current Inc according to EN 61008-1: 6 kA
- Rated making and breaking capacity Idm: 1.50 kA
- Rated operational voltage Ue: 230–400 V AC
- Insulation voltage Ui: 500 V
- Impulse withstand voltage Uimp: 4000 V
- Maximum operating voltage: 440 V
- Frequency: 50 Hz
- Degree of protection: IP20
- Connection type: Screw terminals, lower biconnect terminal
- Connection cross-section for rigid/solid conductors: 1–25 mm²
- Connection cross-section for flexible conductors: 1–16 mm²
- Nominal torque: 2.80 Nm
- Total power loss at rated current: 6.50 W
- Operating temperature: -25 to 40 °C
- Device service life: 2000 electrical and 4000 mechanical switching operations
- Dimensions: 83 mm high, 70 mm wide, 70 mm deep