Protect against earth fault currents with the ABB DDA802 A S-63/0.3. Ideal for commercial and industrial use, it offers selective protection with an intentional tripping delay.
Product ModelDDA802 A S-63/0.3
Material Number2CSB802201R3630
Product ID69363
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Selective Protection The ABB DDA802 A S-63/0.3 offers selective protection against earth fault currents, allowing for an intentional tripping delay that ensures selectivity with downstream instantaneous devices. This feature is crucial for maintaining circuit integrity and preventing unnecessary shutdowns.
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Feature2. Commercial and Industrial Applications Designed for both commercial and industrial settings, this RCD block is versatile and reliable. It provides comprehensive protection against the effects of sinusoidal alternating and direct pulsating earth fault currents.
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Feature3. High Sensitivity and Accuracy With a high sensitivity of 0.3 mA, the DDA802 A S-63/0.3 ensures accurate detection of earth fault currents. This high sensitivity minimizes false tripping and maximizes protection effectiveness.
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Feature4. Easy Installation and Integration The DDA802 A S-63/0.3 is designed for easy assembly on site with MCBs S800 series. Its modular design makes it simple to integrate into existing electrical systems, ensuring minimal disruption to operations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Standards
IEC EN 60947-2 Ann. B
Type of Residual Current
Type A
Suitable For
S800S S800N S800C S800B
Rated Voltage (Ur)
230 V AC 240 V AC 400 V AC
Rated Operational Voltage
400/690 V
Rated Insulation Voltage (Ui)
690 V
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Feature5. Compliance with International Standards The product complies with international standards such as IEC/EN 60947-2 and IEC/EN 61009, ensuring that it meets the highest safety and performance standards. This compliance provides users with peace of mind and confidence in its reliability.
Rated Impulse Withstand Voltage (Uimp)
6 kV
Rated Current (In)
63 A
Rated Residual Current
300 mA
Maximum Surge Current
5 kA
Leakage Current Type
A
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
9 W
Number of Poles
2
Operating Characteristic
Selective
Connecting Capacity
Rigid 6 ⦠50 mm² Flexible 6 ⦠70 mm²
Ambient Temperature
-25...60 °C
Ambient Air Temperature
Operation -25...60 °C
Degree of Protection
IP2X
Environmental Information
document not needed
Short-Circuit Current Rating (SCCR)
0.3 ... 0.3 A
Width in Number of Modular Spacings
4.5
Product Net Width
81 mm
Product Net Height
108.2 mm
Product Net Depth / Length
82.3 mm
Product Net Weight
300 g
ETIM 8
EC002297 - Residual current circuit breaker (RCCB) module
ETIM 9
EC002297 - Residual current circuit breaker (RCCB) module
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
