The ABB DDA203 A-63/0.03 AE offers advanced earth fault protection with a rated residual current of 30 mA, ensuring reliable operation in electrical systems.
Product ModelDDA203 A-63/0.03 AE
Material Number2CSB203701R1630
Product ID69238
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Advanced Earth Fault ProtectionThe ABB DDA203 A-63/0.03 AE is equipped with advanced earth fault protection, providing reliable and efficient operation in various electrical systems. Its high sensitivity ensures early detection of earth faults, minimizing the risk of damage and ensuring safety.
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2. High Sensitivity and SelectivityWith a rated residual current of 30 mA, this device offers high sensitivity and selectivity, allowing it to detect even the smallest earth faults while minimizing false tripping. This ensures that the system remains operational while maintaining high safety standards.
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3. Compact and Space-Saving DesignThe ABB DDA203 A-63/0.03 AE features a compact and space-saving design, making it ideal for installation in a variety of applications, including residential, commercial, and industrial settings. Its compact size does not compromise on performance, ensuring that it fits seamlessly into any electrical panel.
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4. Easy Installation and Maintenance
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Standards
IEC/EN 61009 Ann. G
Type of Residual Current
Type A
Application
For emergency stop
Rated Voltage (Ur)
230/400 V
Rated Operational Voltage
400 V
Rated Insulation Voltage (Ui)
500 V
Designed for ease of installation and maintenance, the ABB DDA203 A-63/0.03 AE comes with clear instructions and intuitive operation. Its bi-directional cylindrical terminals ensure secure connections, reducing the risk of misconnection and facilitating quick installation.
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5. Compliance with International StandardsThe ABB DDA203 A-63/0.03 AE is designed to meet the stringent requirements of international standards, including IEC 61008-1 and IEC 61008-2-1. This ensures that the device operates within the highest safety and performance standards, providing peace of mind for users and installers alike.
Rated Impulse Withstand Voltage (Uimp)
4 kV
Rated Current (In)
63 A
Rated Residual Current
30 mA
Leakage Current Type
A
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
7.6 W
Power Supply Connection
Arbitrary
Electrical Endurance
10000 cycle
Number of Poles
3
Operating Characteristic
Instantaneous (AE for Emergency Stop)
Options Provided
For emergency stop
Connecting Capacity
Rigid 25 ... 25 mm² Flexible 25 ... 25 mm²
Ambient Temperature
-25...55 °C
Ambient Air Temperature
Operation -25...55 °C
Degree of Protection
IP2X
Resistance to Vibrations
20 Cycles with Load 0.8 In: 1g or 1mm 50 ⦠150 ⦠5 Hz
Resistance to Shock acc. to IEC 60068-2-27
25g 2 shocks 13 ms
Environmental Information
2CSC427001K2701
Short-Circuit Current Rating (SCCR)
0.03 ... 0.03 A
Product Net Width
122 mm
Product Net Height
93 mm
Product Net Depth / Length
76 mm
Product Net Weight
311 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)
WEEE B2C / B2B
Business To Consumer
CN8
85363030
eClass
V11.0 : 27142210
Object Classification Code
F
Manufacturer ID
2CSB203701R1630
ABB DDA203 A-63/0.03 AE: Advanced Earth Fault Protection for Reliable Systems | INDSLT
