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2CCG000529R0001 ABB S403P-B4NP 4 A 3P+NP Type B 40 kA Miniature Circuit Breaker
ABB S403P-B4NP is a 4 A 3P+NP Type B miniature circuit breaker with a protected neutral pole and 40 kA ultimate short-circuit breaking capacity for the ABB SMISSLINE TP plug-in system.
£172.59
Why Choose the ABB S403P-B4NP Miniature Circuit Breaker?
The ABB S403P-B4NP is a high-performance three-phase plus protected neutral miniature circuit breaker (MCB) designed to protect cables and circuits against overload and short-circuit currents. As part of the ABB S400P series for the SMISSLINE TP plug-in system, it combines high breaking capacity with convenient plug-in installation for professional electrical distribution applications.
Designed with a Type B tripping characteristic, the S403P-B4NP is suitable for circuits with relatively low inrush currents. Its 3P+NP configuration provides three phase poles together with a switched and protected neutral pole, making it suitable for four-pole AC distribution circuits requiring coordinated disconnection and protection.
With a rated current of 4 A and an ultimate short-circuit breaking capacity of 40 kA according to IEC/EN 60947-2, the S403P-B4NP delivers robust circuit protection in demanding installations. ABB order code 2CCG000529R0001 identifies this specific 4 A Type B configuration for the SMISSLINE plug-in system.
Key Advantages
- High-performance 3P+NP miniature circuit breaker for four-pole AC circuit protection.
- 4 A rated current for low-current distribution and control circuits.
- Type B tripping characteristic suitable for loads with relatively low inrush currents.
- 40 kA ultimate short-circuit breaking capacity according to IEC/EN 60947-2.
- Includes a switched and protected neutral pole.
- Purpose-designed for the ABB SMISSLINE TP plug-in system.
Key Features
- ABB S400P miniature circuit breaker series.
- 3P+NP configuration with three phases and protected neutral.
- 4 A rated current.
- Type B tripping characteristic.
- 40 kA Icu breaking capacity.
- Designed to meet IEC/EN 60898-1 and IEC/EN 60947-2 requirements.
- IP20 terminal protection for safe professional installation.
- Plug-in connection for compatible ABB SMISSLINE TP socket systems.
Reliable Circuit Protection for SMISSLINE TP Systems
Miniature circuit breakers such as the ABB S403P-B4NP protect electrical cables and circuits against excessive currents caused by overloads and short circuits. When current exceeds the permitted operating conditions, the breaker automatically interrupts the circuit, helping protect conductors, connected equipment and electrical distribution infrastructure.
The ABB S400P range is engineered for the SMISSLINE TP plug-in system, allowing compatible protective devices to connect directly to the socket system. This architecture supports flexible electrical distribution, efficient servicing and straightforward system modifications while retaining dependable circuit protection.
Typical Applications
- Three-phase plus neutral electrical distribution circuits.
- Industrial control and automation panels.
- ABB SMISSLINE TP distribution assemblies.
- Commercial building electrical distribution.
- Machinery and equipment power circuits.
- Low-current three-phase circuits requiring protected neutral switching.
Technical Specifications
| Series | S400P |
|---|---|
| Product group | SMISSLINE Plug-in System |
| ABB order code | 2CCG000529R0001 |
| EAN / GTIN | 7612271508999 |
| Product type | Miniature circuit breaker (MCB) |
| Pole configuration | 3P+NP |
| Total number of poles | 4 |
| Neutral | Switched and protected |
| Rated current | 4 A |
| Tripping characteristic | Type B |
| Ultimate short-circuit breaking capacity (Icu) | 40 kA |
| Frequency | 50–60 Hz |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
| System | ABB SMISSLINE TP |
| Number of modules | 4 |
| Protection rating | IP20 |
| Maximum conductor cross-section | 35 mm² |
| Weight | approx. 460 g |
Frequently Asked Questions
What is the ABB S403P-B4NP used for?
The S403P-B4NP is a miniature circuit breaker designed to protect compatible three-phase plus neutral circuits against overload and short-circuit currents in ABB SMISSLINE TP electrical distribution systems.
What is the rated current of the S403P-B4NP?
The ABB S403P-B4NP has a rated current of 4 A.
What breaking capacity does the S403P-B4NP provide?
The S403P-B4NP has an ultimate short-circuit breaking capacity (Icu) of 40 kA according to IEC/EN 60947-2.
What does 3P+NP mean on the S403P-B4NP?
The 3P+NP configuration provides three phase poles together with a switched and protected neutral pole, giving four-pole circuit protection and disconnection.
Which distribution system is the S403P-B4NP designed for?
The breaker is designed for the ABB SMISSLINE TP plug-in system, allowing it to integrate directly with compatible SMISSLINE socket-based distribution assemblies.
Trusted ABB Circuit Protection
ABB S400P miniature circuit breakers combine dependable overload and short-circuit protection with the flexible plug-in architecture of the SMISSLINE TP system, supporting efficient electrical distribution in commercial and industrial installations.
