Advanced ground fault protection for residential and commercial use, compatible with MCBs S200 series and S300P.
Product ModelDDA203 AC-63/2
Material Number2CSB203001R6630
Product ID69431
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Advanced Ground Fault ProtectionThe ABB DDA203 AC-63/2 RCD block is designed to provide comprehensive protection against ground faults, ensuring the safety of electrical installations in residential and commercial settings.
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2. Compatibility with MCBsThis RCD block is compatible with ABB's MCBs S200 series and S300P, making it a versatile solution for various electrical installation needs.
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3. Reliable OperationBuilt with high-quality components, the DDA203 AC-63/2 ensures reliable operation under various environmental conditions, providing continuous protection against ground faults.
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4. Easy InstallationThe compact design and user-friendly interface of the DDA203 AC-63/2 make it easy to install, reducing the complexity of electrical installation projects.
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 AC
Rated Voltage (Ur)
230/400 V
Rated Operational Voltage
230/400 V
Rated Insulation Voltage (Ui)
500 V
Rated Impulse Withstand Voltage (Uimp)
4 kV
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5. Selective ProtectionThe RCD block offers selective protection, which means it can differentiate between genuine faults and temporary disturbances, minimizing unnecessary tripping and ensuring continuous power supply when possible.
Rated Current (In)
63 A
Rated Residual Current
2000 mA
Leakage Current Type
AC
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
Options Provided
-
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
Refer to RoHS
Short-Circuit Current Rating (SCCR)
1...1 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)
