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GDA204 AC-40/0.03

The ABB GDA204 AC-40/0.03 is a four-pole (4P), 40 A, 30 mA (0.03 A) Residual Current Device (RCD) Module, specifically designed for modular mounting on busbar systems in Distribution Boards (DBs) and Consumer Units. It is part of ABB's GDA series of DIN-rail mounted RCDs.

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Technical Parameters Parameter Specification Series ABB GDA Series (Modular RCDs for DBs) Product Type 4-Pole (3P+N) Residual Current Device (RCD) Module, Type AC Full Order Code GDA204 AC-40/0.03 Number of Poles 4-Pole (3P + N) Rated Current (In) 40 A (This is the maximum continuous current it can carry. It does not provide overcurrent protection). Rated Residual Operating Current (IΔn) 30 mA (0.03 A) Residual Current Type Type AC (for sinusoidal alternating residual currents) Rated Operational Voltage (Ue) 400V AC (3P+N) Rated Insulation Voltage (Ui) 500V AC Rated Short-Circuit Withstand Capacity Typically 10 kA (IEC/EN 61008) – its ability to withstand a fault current without damage when protected by an upstream device. Trip Time at IΔn ≤ 0.3 seconds Trip Time at 5x IΔn (150 mA) ≤ 0.04 seconds Utilization Category AC (for AC circuits only) Mounting DIN Rail (35mm) mounting. Designed for integration into distribution boards with integrated neutral busbar. Connection Phase Terminals: Screw terminals for connecting the three phase conductors. Neutral Connection: Typically via an integrated neutral busbar clamp that grips the main neutral busbar running through the panel. Module Width 4 modules (72mm) or wider, depending on design. Test Button Yes (usually yellow), for periodic functional testing. Mechanical Indicating Handle Shows ON/OFF/I (tripped) status. Standards Compliance IEC/EN 61008-1 (Primary standard for RCCBs without integral overcurrent protection) Ambient Temperature -25°C to +60°C (Operation)