Parameter Specification
Device Type Residual Current Circuit Breaker (RCCB) / RCD
Product Series DDA200 Series
Number of Poles 2 Poles (2P) - Protects both Live and Neutral
Rated Current (Iₙ) 25 A
Rated Residual Operating Current (IΔn) 30 mA (0.03 A)
RCCB Type Type AC - For sinusoidal alternating residual currents only.
Rated Voltage (Uₙ) 230 V AC
Rated Frequency 50/60 Hz
Rated Conditional Short-Circuit Current (Icn) 25 kA (Complies with IEC/EN 61008)
Tripping Time ≤ 0.3 seconds (for IΔn = 30 mA, at 0°C to +40°C)
Trip Characteristic Instantaneous
Mounting 35 mm symmetrical DIN rail (EN 60715)
Width 36 mm (2 modules)
Electrical Durability ≥ 4,000 operating cycles
Mechanical Durability ≥ 10,000 operating cycles
Terminal Torque 2.0 Nm
Suitable Cross-Section (Rigid/Flexible) Up to 25 mm²
Ambient Temperature (Operation) -25°C to +55°C
Standards Compliance IEC/EN 61008-1, IEC/EN 61008-2-1
Protection Class IP20 (for enclosure)
The ABB DDA202 AC-25/0.03 is a high-precision, two-pole residual current circuit breaker (RCCB), also commonly known as a Residual Current Device (RCD) or Ground Fault Circuit Interrupter (GFCI).