Description
DS254N-UC-B16/0,03 DC-Railway RCBO 10kA,4P/N-UC,B type,B 16A,30mA. New original ABB part, traceable to the manufacturer. Availability and price on request.
Technical Specifications
| Type of Residual Current | Type B |
|---|---|
| Dielectric Test Voltage | 50 / 60 Hz – 1 min 2 kV |
| Rated Residual Operating Current (IΔn) | 0.03 A |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | 10 kA |
| Maximum Surge Current | 3 kA |
| Number of Protected Poles | 4 |
| Number of Poles | 4P |
| Operating Characteristic | 10ms Delay (High Immunity) |
| Rated Cross-Section | 1 – Solid-Core 0.75 … 25 mm² ; 4 – Multi-Wired 10 … 35 mm² |
| Tripping Characteristic | B |
| Rated Operational Voltage | 230 / 400 V AC ; acc. to IEC 60898-1 230/400 V AC ; acc. to IEC 60947-2 230/400 V AC |
| Rated Insulation Voltage (Ui) | Phase to Phase 500 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV ; at Sea Level 6.2 kV |
| Input Voltage Type | AC/DC |
| Rated Current (In) | 16 A |
| Rated Residual Current | 30 mA |
| Rated Short-Circuit Capacity | 10 kA |
| Rated Frequency (f) | 50 / 60 Hz |
| Power Loss | 11.1 W |
| Overvoltage Category | III |
| Degree of Protection | IP20 ; Enclosure with Cover IP40 |
| Pollution Degree | 2 |
| Position of Neutral Terminals | Right |
| Earthing Switch Type | Undelayed |
| Actuator Material | Insulation Group II, Black, Sealable |
| Terminal Type | Screw Terminals |
| Ambient Air Temperature | Operation -25 … +55 °C ; Storage -40 … +70 °C |
| Mounting Position | any |
| Standards | IEC/EN 62423 ; IEC/EN 61009-1 ; IEC/EN 60947-2 |
| Product Net Width | 105 mm |
| Product Net Height | 69 mm |
| Product Net Depth / Length | 157.5 mm |
| Product Net Weight | 1.1 kg |
| Width in Number of Modular Spacings | 9 |
| Built-In Depth (t2) | 157.5 mm |
| EAN | 4016779907781 |
| Catalog Description | Residual Current Circuit Breaker with Overcurrent Protection DS250N-UC – 4P – 30 mA – 16 A – B – Type B – 10ms Delay (High Immunity) |
| Energy Limiting Class | 3 |
| Electrical Endurance | 10000 AC cycle ; 20000 AC cycle |
| Tightening Torque | 2.8 N·m |
| Accessories Available | Yes |
| Connecting Capacity | Flexible 0.75 … 25 mm² ; Rigid 0.75 … 25 mm² ; Stranded 0.75 … 25 mm² |
| Interrupting Rating acc. to UL1077 | 10 kA |
| Environmental Conditions | 28 cycles ; with 55 °C / 90-96 % ; and 25 °C / 95-100 % |
| Unspsc | 39121614 |
| Country of origin | Germany |
| Customs tariff number | 85362010 |
| Manufacturer standard delivery time | 2 days |
| Packaging unit | Package x 1 |
| Product status (supplier data) | Active |
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.
