




🛡️ Stay powered, stay protected — the smart choice for next-gen safety.
The Hager CDA440D is a high-performance 4-pole RCD circuit breaker delivering 40A current capacity and 30mA leakage sensitivity. Designed for both commercial and personal use, it features a robust 6kA breaking capacity and compact DIN rail mounting, ensuring reliable, comprehensive electrical protection in a sleek, easy-to-install package.
| Manufacturer | Hager |
| Part number | CDA440D |
| Item Weight | 200 g |
| Product Dimensions | 9.5 x 8 x 8 cm; 200 g |
| Item model number | CDA440D |
| Colour | gray |
| Material | Plastic |
| Voltage | 500 Volts |
| Item Package Quantity | 1 |
| Measurement System | Metric |
| Plug profile | DIN Rail Mount |
| Specific uses | Commercial and personal use |
| Included components | FI circuit breaker A 4p 400V 40A |
| Batteries included? | No |
| Batteries Required? | No |
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