Enhanced protection against earth fault currents and indirect contacts. Compatible with MCBs S200 series. Ideal for residential, commercial, and industrial use.
Product ModelDDA202 AC-25/0.3
Material Number2CSB202001R3250
Product ID76781
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Comprehensive ProtectionThe ABB DDA202 AC-25/0.3 offers robust protection against sinusoidal alternating earth fault currents, ensuring the safety of people and equipment in various environments.
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2. Versatile CompatibilityDesigned for assembly with MCBs S200 series, this RCD block is versatile and can be used in a wide range of applications, from residential to industrial settings.
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3. Advanced Sensitivity SettingsWith tripping time settings available in fast (instantaneous), 0.3, 0.5, 1, 2, and 5 seconds, the DDA202 AC-25/0.3 provides customizable sensitivity to meet specific protection needs.
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4. High-Performance StandardsMeets international standards such as IEC/EN 61009 Ann. G, ensuring high-performance reliability and safety in electrical installations.
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 V
Rated Insulation Voltage (Ui)
500 V
Rated Impulse Withstand Voltage (Uimp)
4 kV
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5. Easy Installation and MaintenanceThe compact design and IP20 protection degree make it easy to install and maintain, ensuring minimal downtime and maximum efficiency in your electrical systems.
Rated Current (In)
25 A
Rated Residual Current
300 mA
Leakage Current Type
AC
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
2 W
Power Supply Connection
Arbitrary
Electrical Endurance
10000 cycle
Number of Poles
2
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)
0.3 ... 0.3 A
Product Net Width
70 mm
Product Net Height
93 mm
Product Net Depth / Length
76 mm
Product Net Weight
210 g
Dimension Diagram
9AKK106930A3984
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
2CSB202001R3250
ABB DDA202 AC-25/0.3 Residual Current Device Block - Enhanced Safety and Protection | INDSLT
