ABB 2CSB803201R3630

The DDA803 A S-63/0.3 Residual Current Device Block is designed to safeguard individuals and installations from earth fault currents. It features an intentional tripping delay, allowing for selectivity with downstream instantaneous devices. This model is part of the DDA800 series, which includes various configurations suitable for standard instantaneous and selective AC and A types, as well as special applications.

With a rated current of 63 A and a rated residual current of 300 mA, this device operates efficiently across a voltage range of 400 to 690 V AC. It is compliant with IEC EN 60947-2 Ann. B standards and has a rated insulation voltage of up to 690 V, ensuring robust performance.

In terms of installation, it accommodates rigid conductors from 6 to 50 mm² and flexible conductors from 6 to 70 mm². The block operates within an ambient temperature range of -25 to 60 °C and offers IP2X protection, making it suitable for various environments. The product is also compliant with RoHS and REACH regulations, ensuring environmental safety.