ABBDDA200
ABB catalog image for this SKU; may represent the product family.
ADD-ON RESIDUAL CURRENT BLOCK
DDA203 AC-25/0.3
SKU 2CSB203001R3250ABB DDA203 AC-25/0.3 is a add-on residual current block, rated at 25 A with a 3P configuration. Rated residual operating current: 300 mA. This add-on block requires assembly with a compatible miniature circuit breaker; consult ABB documentation for the permitted combination.
25 ARated current
3PPoles
300 mAResidual sensitivity
PRODUCT DATA
Technical specifications
Source: ABB English regional product catalog.
Verified September 07, 2026.
| Product ID | 2CSB203001R3250 |
|---|---|
| Catalog Description | Residual Current Device Block DDA200 - 3P - 300 mA - 25 A - Type AC - Instantaneous |
| Type of Residual Current | Type AC |
| Leakage Current Type | AC |
| Rated Current (In) | 25 A |
| Number of Poles | 3P |
| Rated Residual Current | 300 mA |
| Operating Characteristic | Instantaneous |
| Rated Voltage (Ur) | 230/400 V |
| Rated Operational Voltage | 230/400 V |
| Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 500 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Rated Frequency (f) | 50 / 60 Hz |
| Standards | IEC/EN 61009 Ann. G |
| Electrical Endurance | 10000 cycle |
| Power Loss | Total 3 W |
| Degree of Protection | IP2X |
| Pollution Degree | 2 |
| Ambient Air Temperature | Operation -25...50 °C |
| Connecting Capacity | Flexible 0...16 mm² Rigid Cable 0...16 mm² |
| Tightening Torque | 1.2 N·m |
| Number of Modular Spacings per DIN Rail | 5 |
| Product Net Width | 87.5 mm |
| Product Net Height | 93 mm |
| Product Net Depth / Length | 69 mm |
| Product Net Weight | 325 g |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official ABB reference ↗.