Description
DS203NC is a 3P+N residual current circuit breaker with overcurrent protection (RCBO) in four modules for the protection against short-circuit currents, overload, earth fault currents, indirect contacts, additional protection against direct contacts. New original ABB part, traceable to the manufacturer. Availability and price on request.
Technical Specifications
| Type of Residual Current | Type A |
|---|---|
| Tripping Characteristic | C |
| Number of Poles | 3P+N |
| Number of Protected Poles | 3 |
| Rated Current (In) | 20 A |
| Rated Residual Current | 100 mA |
| Rated Operational Voltage | acc. to IEC 60898-1 415 V |
| Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 500 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Input Voltage Type | AC |
| Rated Frequency (f) | 50/60 Hz |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | 10 kA |
| Rated Short-Circuit Capacity | 6 kA |
| Rated Conditional Short-Circuit Current (Inc) | 10 kA |
| Maximum Surge Current | 5 kA |
| Operating Characteristic | Selective |
| Power Supply Connection | Arbitrary |
| Power Loss | Total 4.2 W |
| Overvoltage Category | III |
| Rated Cross-Section | 1 – Solid-Core 25 … 25 mm²; 4 – Multi-Wired 1 … 25 mm² |
| Position of Neutral Terminals | Right |
| Earthing Switch Type | Selective |
| Standards | IEC 60898-1; IEC/EN 60664-1 |
| Width | 71 mm |
| Height | 85 mm |
| Depth | 69 mm |
| Weight | 480 g |
| EAN | 8012542021728 |
| Energy Limiting Class | 3 |
| Electrical Endurance | 10000 cycle |
| Mechanical Endurance | 20000 cycle |
| Options Provided | None |
| Accessories Available | Yes |
| Connecting Capacity | Busbar 10 mm²; Rigid 25 … 25 mm²; Flexible 25 … 25 mm² |
| Country of origin | Italy |
| Customs tariff number | 85363010 |
| Manufacturer standard delivery time | 24 days |
| Packaging unit | Box x 1 |
| Product status (supplier data) | New product |
Independent distributor — not an authorised ABB dealer. All technical parameters are taken verbatim from the official ABB product data for this exact order code; packaging, customs and delivery data come from the supplier list entry for the same code.
