Advanced ground fault protection for 63A, ensuring safety against indirect and direct contacts. Suitable for residential, commercial, and industrial use.
Product ModelDDA803A-63/0.03 APR
Material Number2CSB803401R1630
Product ID69586
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Advanced Ground Fault ProtectionThe ABB DDA803A-63/0.03 APR offers robust protection against ground faults, ensuring the safety of your electrical system. Its advanced sensing technology detects even the slightest deviations in current, providing reliable protection against both indirect and direct contacts.
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2. High SensitivityWith a rated sensitivity of 30mA, this device is highly sensitive to ground faults, making it an excellent choice for applications where safety is paramount. This sensitivity ensures that potential hazards are quickly identified and addressed.
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3. Versatile ApplicationDesigned for residential, commercial, and industrial use, the ABB DDA803A-63/0.03 APR is versatile and can be easily integrated into various electrical systems. Its broad application range makes it a reliable solution for diverse settings.
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4. Enhanced Safety FeaturesThis product includes additional protection against direct contacts, providing a comprehensive safety solution. The protection against indirect contacts further enhances the overall safety of your electrical setup, ensuring that you are protected from potential electrical hazards.
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 A
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. Reliability and DurabilityBuilt with high-quality components, the ABB DDA803A-63/0.03 APR is designed to be reliable and durable. Its mechanical features and electrical life ensure that it can withstand the demands of continuous operation, providing long-term protection for your electrical system.
Rated Impulse Withstand Voltage (Uimp)
6 kV
Rated Current (In)
63 A
Rated Residual Current
30 mA
Maximum Surge Current
3 kA
Leakage Current Type
A
Rated Frequency (f)
50 ⦠60 Hz
Power Loss
13.5 W
Number of Poles
3
Operating Characteristic
Instantaneous (APR High Immunity)
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)
0.03 ... 0.03 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)
