Meet the CDA440DY residual current protection switch, a four-pole RCD designed to safeguard people and equipment from earth leakage. This reliable device is suited for electrical installations in homes, offices, and light commercial settings, delivering quick, dependable protection when it matters most.

Key Features & Design

• 4-pole RCD for comprehensive protection across multi-wire circuits.
• 30 mA tripping sensitivity for prompt response to small leakage currents.
• 40 A rated current supports common loads in residential and light commercial applications.
• 6 kA fault current breaking capacity provides robust protection during short-circuit events.
• Model CDA440DY ensures compatibility with standard panels and configurations.

Performance / Benefits

The CDA440DY detects stray currents and quickly disconnects the circuit, reducing the risk of electric shock and protecting connected equipment. With a strong 6 kA breaking capacity and a 40 A rated current, it delivers dependable safety for everyday use while supporting compliance with electrical safety standards.