The ABB DDA203 A-25/0.1 Residual Current Device Block offers instant protection against earth fault currents, ensuring a safe electrical system for 25A, 230-400V AC applications.
Product ModelDDA203 A-25/0.1
Material Number2CSB203101R2250
Product ID82231
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Instant Protection Against Earth Fault Currents The ABB DDA203 A-25/0.1 provides immediate protection against earth fault currents, ensuring your electrical system remains safe and secure.
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Feature2. Designed for 25A, 230-400V AC Applications This device is specifically designed to handle 25A at a nominal voltage of 230-400V AC, making it suitable for a wide range of applications.
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Feature3. Enhanced Safety Features With a rated insulation voltage of 500V and a surge current capacity of 0 kA, this RCD block offers robust safety features to safeguard your electrical setup.
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Feature4. Compact and Reliable Design The compact design of the ABB DDA203 A-25/0.1 makes it easy to install and integrate into your existing electrical infrastructure, ensuring reliable operation.
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
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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Feature5. Compliance with International Standards This product complies with IEC/EN 61009 Ann. G standards, ensuring it meets the highest safety and performance criteria for residual current devices.
Rated Current (In)
25 A
Rated Residual Current
100 mA
Leakage Current Type
A
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
3 W
Power Supply Connection
Arbitrary
Electrical Endurance
10000 cycle
Number of Poles
3
Operating Characteristic
Instantaneous
Connecting Capacity
Rigid 16 ... 16 mm² Flexible 16 ... 16 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)
0.1 ... 0.1 A
Product Net Width
87 mm
Product Net Height
93 mm
Product Net Depth / Length
76 mm
Product Net Weight
158 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
2CSB203101R2250
ABB DDA203 A-25/0.1 Residual Current Device Block - Enhanced Safety and Reliability | INDSLT
