Enhance electrical safety with the ABB DDA203 A-40/0.3 RCD block, offering robust protection against earth fault currents and indirect contacts.
Product ModelDDA203 A-40/0.3
Material Number2CSB203101R3400
Product ID69598
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Comprehensive ProtectionThe ABB DDA203 A-40/0.3 provides comprehensive protection against sinusoidal alternating earth fault currents and indirect contacts, ensuring a safe electrical environment.
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2. Versatile ApplicationSuitable for residential, commercial, and industrial applications, making it a versatile solution for various electrical needs.
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3. IEC/EN 61009 ComplianceMeets the stringent standards of IEC/EN 61009 Ann. G, ensuring high-quality performance and reliability.
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4. Easy InstallationDesigned for easy assembly with MCBs S200 series and S300P, simplifying the installation process and reducing setup time.
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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
5. Reliability and DurabilityBuilt with solid-core and multi-wired configurations, the DDA203 A-40/0.3 offers reliable and durable performance in 50/60 Hz environments.
Rated Current (In)
40 A
Rated Residual Current
300 mA
Leakage Current Type
A
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
4.8 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)
0.3 ... 0.3 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
2CSB203101R3400
ABB DDA203 A-40/0.3 Residual Current Device Block | INDSLT
