DDA803 A S-100/0.5

Key Features

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  1. Type Selective Design DescriptionThe ABB DDA803 A S-100/0.5 is designed to be type selective, ensuring that it can work in conjunction with downstream instantaneous devices without causing unnecessary tripping. This feature is crucial for maintaining the integrity of your electrical system.
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  2. Protection Against Earth Fault Currents DescriptionThis RCD-block provides comprehensive protection against both sinusoidal alternating and direct pulsating earth fault currents. This ensures that your electrical system is safeguarded against potential hazards, reducing the risk of electrical shock or equipment damage.
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  3. Intentional Tripping Delay DescriptionThe intentional tripping delay feature allows for selective tripping, which means that the RCD-block will only trip in the event of a fault, ensuring that it does not interfere with normal operation of the circuit. This delay is specifically designed to permit the selectivity with downstream instantaneous devices.
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