ABB DDA204 RCD, 40A, 4 Pole

This RCD is designed to offer reliable protection against earth fault currents. This four-pole RCD effectively safeguards electrical circuits by identifying and disconnecting leakage current, ensuring safety in commercial and industrial settings. Its compact size of 76 x 105 x 93mm makes it suitable for DIN rail mounting, facilitating easy installation in various applications.

• Provides instant disconnection to enhance safety during faults
• Ensures 30mA trip sensitivity for effective protection
• Complies with IEC standards for reliability and safety
• Suitable for use in both residential and industrial environments
• Designed for easy assembly with S200 series MCBs
• Offers robust environmental performance between -25°C and +55°C

• Used for commercial electrical installations requiring reliable earth leakage protection
• Ideal for industrial needing robust circuit protection
• Compatible with MCBs for updated circuit protection
• Suitable for residential where safety is a priority

The 30mA trip sensitivity is crucial for recognising hazardous earth faults, thereby preventing electric shocks and ensuring user safety in various environments, particularly where direct contact may occur.

From construction to manufacturing facilities, its design adheres to IEC standards, demonstrating its commitment to safety regulations and providing peace of mind for users in various industries.

The device operates efficiently within a temperature range of -25°C to +55°C, making it reliable for diverse environments, from extreme cold to elevated temperatures.

When it detects an abnormal current flow due to an earth fault, it swiftly disconnects the electrical supply, preventing potential hazards such as fires or electric shocks.