1. Comprehensive ProtectionThe ABB DDA203 A-25/0.5 provides complete protection against sinusoidal alternating currents, ensuring the safety of your electrical installation.
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2. Versatile CompatibilityDesigned to be assembled with MCBs S200 series and S300P, this RCD block offers flexibility in various low-voltage installations.
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3. Robust ConstructionBuilt to withstand smooth direct earth fault currents and high-frequency residual sinusoidal alternating currents, this device ensures strong resistance against unwanted trippings.
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4. Easy InstallationWith its compact design and bi-directional cylindrical terminals, the DDA203 A-25/0.5 is easy to integrate into your electrical system, providing a seamless installation experience.
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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5. Advanced Safety FeaturesEquipped with differential trip indicators and contact position indicators, this RCD block enhances safety and comfort by providing clear status indications and reliable readability through laser marking.
Rated Current (In)
25 A
Rated Residual Current
500 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)
0.5 ... 0.5 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
2CSB203101R4250
ABB DDA203 A-25/0.5 Residual Current Device Block | INDSLT
