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2CCG000408R0001 ABB S403P-C50NP MCB 20kA 3P+NP Type C 50A
ABB S403P-C50NP is a 50 A Type C 3P+NP miniature circuit breaker with four protected poles and 20 kA breaking capacity, designed for overload and short-circuit protection in SMISSLINE TP plug-in distribution systems.
£185.79
Why Choose the ABB S403P-C50NP Miniature Circuit Breaker?
The ABB S403P-C50NP is a high-performance 3-pole plus protected neutral miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit currents. As part of the ABB SMISSLINE TP S400P series, it combines current-limiting circuit protection with ABB's plug-in technology for efficient installation in commercial, industrial and critical power distribution systems.
The S403P-C50NP features a Type C tripping characteristic and a rated current of 50 A, making it suitable for circuits that can experience moderate inrush currents. Its thermal overload and electromagnetic short-circuit tripping mechanisms provide dependable protection for cables, conductors and connected equipment.
With a 3P+NP configuration, four protected poles and a rated ultimate short-circuit breaking capacity of 20 kA according to IEC/EN 60947-2, the S403P-C50NP provides robust protection for three-phase plus neutral circuits while supporting convenient integration into ABB SMISSLINE TP plug-in distribution systems.
Key Advantages
- High-performance 3P+NP miniature circuit breaker for overload and short-circuit protection.
- 50 A rated current suitable for commercial and industrial distribution circuits.
- Type C tripping characteristic suitable for circuits with moderate inrush currents.
- 20 kA rated ultimate short-circuit breaking capacity according to IEC/EN 60947-2.
- Four protected poles for comprehensive three-phase plus neutral circuit protection.
- Plug-in connection designed specifically for the ABB SMISSLINE TP system.
Key Features
- ABB SMISSLINE TP S400P series.
- 3P+NP configuration with four protected poles.
- 50 A rated current.
- Type C tripping characteristic.
- 20 kA Icu breaking capacity according to IEC/EN 60947-2.
- Thermal trip mechanism for overload protection.
- Electromagnetic trip mechanism for short-circuit protection.
- 4-module design with an approximate product weight of 0.460 kg.
- Plug-in mounting for direct integration with SMISSLINE TP distribution systems.
Reliable Circuit Protection for SMISSLINE TP Systems
Miniature circuit breakers such as the ABB S403P-C50NP automatically disconnect a circuit when excessive current occurs. Thermal protection responds to sustained overload conditions, while electromagnetic protection provides rapid operation during short-circuit faults, helping protect conductors, connected equipment and electrical distribution infrastructure.
The S403P-C50NP combines three-phase plus neutral protection with ABB's SMISSLINE TP plug-in architecture. This approach supports flexible circuit distribution and efficient installation in commercial buildings, industrial panels and critical power applications requiring dependable four-pole protection.
Typical Applications
- Three-phase plus neutral electrical distribution systems.
- Commercial building distribution boards.
- Industrial switchboards and distribution panels.
- Motor, machinery and equipment supply circuits.
- Automation and critical power distribution installations.
- ABB SMISSLINE TP plug-in distribution systems.
Technical Specifications
| Series | SMISSLINE TP S400P |
|---|---|
| ABB order code | 2CCG000408R0001 |
| EAN | 7612271509798 |
| Product type | Miniature circuit breaker (MCB) |
| Pole configuration | 3P+NP |
| Total number of poles | 4 |
| Protected poles | 4 |
| Rated current | 50 A |
| Tripping characteristic | Type C |
| Rated ultimate short-circuit breaking capacity (Icu) | 20 kA |
| Standard | IEC/EN 60947-2 |
| Maximum conductor cross-section | 35 mm² |
| Protection rating at terminals | IP20 |
| Mounting system | SMISSLINE TP plug-in system |
| Module width | 4 modules |
| Weight | approx. 0.460 kg |
| Pack unit | 2 pieces |
Frequently Asked Questions
What is the ABB S403P-C50NP used for?
The S403P-C50NP is a 3P+NP miniature circuit breaker designed to protect three-phase plus neutral electrical circuits against overload and short-circuit currents in ABB SMISSLINE TP systems.
What is the rated current of the S403P-C50NP?
The ABB S403P-C50NP has a rated current of 50 A.
What does NP mean on the S403P-C50NP?
The NP designation identifies the protected-neutral configuration, with the S403P-C50NP providing four protected poles for three-phase plus neutral circuits.
What is the breaking capacity of the ABB S403P-C50NP?
The S403P-C50NP has a rated ultimate short-circuit breaking capacity of 20 kA according to IEC/EN 60947-2.
Which distribution system is the S403P-C50NP designed for?
The breaker is specifically designed as a plug-in protective device for the ABB SMISSLINE TP system.
Trusted ABB Circuit Protection
ABB SMISSLINE TP S400P miniature circuit breakers provide high-performance overload and short-circuit protection with flexible plug-in installation for commercial, industrial and critical power distribution systems.
