Advanced RCD block for assembly with MCBs, offering protection against earth fault currents and indirect contacts up to 63A.
Product ModelDDA803AC-63/0.3
Material Number2CSB803001R3630
Product ID69400
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Comprehensive ProtectionThe ABB DDA803AC-63/0.3 RCD block ensures robust protection against earth fault currents and indirect contacts, safeguarding people and installations from electrical hazards.
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2. Versatile ApplicationDesigned for residential, commercial, and industrial use, this RCD block is versatile and can be easily integrated into various electrical systems.
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3. High SensitivityWith a sensitivity of 0.3 mA, the DDA803AC-63/0.3 RCD block detects even the slightest deviations in current, providing immediate protection against potential electrical risks.
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4. Easy AssemblyThis RCD block is specifically designed for assembly with ABB's MCBs, making it a seamless addition to your electrical setup. It ensures a high level of safety and reliability in your 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 60947-2 Ann. B
Type of Residual Current
Type AC
Suitable For
S800S S800N S800C S800B
Rated Voltage (Ur)
400 V AC 415 V AC 690 V AC
Rated Operational Voltage
400/690 V
Rated Insulation Voltage (Ui)
690 V
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5. Compliance with StandardsThe DDA803AC-63/0.3 RCD block meets international standards (IEC/EN 61009 Ann. G), ensuring that your electrical system complies with the latest safety regulations and guidelines.
Rated Impulse Withstand Voltage (Uimp)
6 kV
Rated Current (In)
63 A
Rated Residual Current
300 mA
Maximum Surge Current
0.25 kA
Leakage Current Type
AC
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
13.5 W
Number of Poles
3
Operating Characteristic
Instantaneous
Options Provided
-
Connecting Capacity
Rigid 6 ⦠50 mm² Flexible 6 ⦠70 mm²
Ambient Temperature
-25...60 °C
Ambient Air Temperature
Operation -25...60 °C
Degree of Protection
IP2X
Environmental Information
document not needed
Short-Circuit Current Rating (SCCR)
0.3 ... 0.3 A
Width in Number of Modular Spacings
6.5
Product Net Width
117 mm
Product Net Height
108.2 mm
Product Net Depth / Length
82.3 mm
Product Net Weight
400 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 Business
CN8
85363030
eClass
V11.0 : 27142210
Object Classification Code
F
Manufacturer ID
2CSB803001R3630
ABB DDA803AC-63/0.3 Residual Current Device Block - Advanced Protection for Your Installation | INDSLT
