HAGER CDA640D Residual Current Circuit Breaker 4P 10kA 40A 30mA Type A

The HAGER CDA640D is a high-quality residual current circuit breaker (RCCB) designed for reliable protection against electric shock and fire hazards. With 4 poles, a rated current of 40 A, and a rated residual operating current of 30 mA, this Type A device is suitable for a wide range of residential and commercial applications. It complies with EN 61008-1 and offers a rated conditional short-circuit current of 10 kA.

Advantages

This RCCB provides enhanced safety with instantaneous tripping characteristic, ensuring quick disconnection in case of residual current faults. Its compact 4-module width (70 mm) saves space on DIN rail installations. The device is built for durability with 10,000 electrical and 20,000 mechanical cycles.

Suitable for

• Residential electrical panels
• Commercial building distribution boards
• Industrial control cabinets
• Protection of circuits with sinusoidal AC residual currents and pulsating DC residual currents

Key specifications

• Number of Poles: 4P
• Rated Current (In): 40 A
• Rated Residual Operating Current (IΔn): 30 mA
• Type of Residual Current: Type A
• Rated Conditional Short-Circuit Current (Inc): 10 kA
• Rated Voltage (Ue): 230/400 V AC
• Frequency: 50/60 Hz
• Mounting Type: DIN Rail (EN 60715)
• Module Width: 4 Modules (70 mm)
• Degree of Protection: IP20 (Terminals), IP40 (Front)
• Connection Capacity (Rigid): 1 - 25 mm²
• Connection Capacity (Flexible): 1 - 16 mm²
• Operating Temperature: -25 to 40 °C
• Standard: EN 61008-1

Recommendations

For optimal safety, always install this RCCB by a qualified electrician. Ensure the device is suitable for the specific electrical characteristics of your installation. Regular testing (e.g., monthly) of the RCCB function is recommended.