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2CCG000415R0001 ABB S401P-K8 MCB 40kA 1P Type K 8A
ABB S401P-K8 is an 8 A Type K single-pole miniature circuit breaker with 40 kA breaking capacity, designed for overload and short-circuit protection in SMISSLINE TP plug-in distribution systems.
£30.19
Why Choose the ABB S401P-K8 Miniature Circuit Breaker?
The ABB S401P-K8 is a high-performance single-pole 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 dependable circuit protection with ABB's plug-in technology for efficient installation in commercial, industrial and critical power distribution systems.
The S401P-K8 features a Type K tripping characteristic and a rated current of 8 A. Type K characteristics are particularly suited to applications where connected equipment can produce elevated starting or inrush currents, while thermal and electromagnetic tripping mechanisms provide dependable protection against sustained overloads and short-circuit faults.
With a 1P configuration, a rated current of 8 A and a rated ultimate short-circuit breaking capacity of 40 kA according to IEC/EN 60947-2, the S401P-K8 provides robust protection for demanding circuits while supporting convenient SMISSLINE TP plug-in installation.
Key Advantages
- High-performance single-pole miniature circuit breaker for overload and short-circuit protection.
- 8 A rated current suitable for power, control and auxiliary circuits.
- Type K tripping characteristic suitable for loads with elevated starting or inrush currents.
- 40 kA rated ultimate short-circuit breaking capacity for demanding installations.
- Compact 1-module design for efficient use of distribution-board space.
- Plug-in connection designed specifically for the ABB SMISSLINE TP system.
Key Features
- ABB SMISSLINE TP S400P series.
- Single-pole (1P) circuit protection.
- 8 A rated current.
- Type K tripping characteristic.
- 40 kA Icu breaking capacity at 230/400 V AC.
- Thermal protection against sustained overload currents.
- Electromagnetic protection against short-circuit faults.
- IP20 degree of protection with energy limiting class 3.
- 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 S401P-K8 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 S401P-K8 combines a Type K tripping characteristic with ABB's SMISSLINE TP plug-in architecture. This makes it particularly useful for circuits where dependable protection and tolerance of transient starting currents are required, while the single-module format supports compact and flexible distribution-board layouts.
Typical Applications
- Industrial control and auxiliary circuits.
- Automation and control equipment.
- Circuits supplying loads with elevated starting currents.
- Commercial and industrial distribution boards.
- Machinery and equipment protection circuits.
- ABB SMISSLINE TP plug-in distribution systems.
Technical Specifications
| Series | SMISSLINE TP S400P |
|---|---|
| ABB order code | 2CCG000415R0001 |
| GTIN / EAN | 7612271509859 |
| Product type | Miniature circuit breaker (MCB) |
| Pole configuration | 1P |
| Protected poles | 1 |
| Rated current | 8 A |
| Tripping characteristic | Type K |
| Rated voltage | 240 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) | 40 kA at 230/400 V AC |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Frequency | 50–60 Hz |
| Standard | IEC/EN 60947-2 |
| Energy limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Protection rating | IP20 |
| Operating ambient temperature | -25 to +60 °C |
| Solid conductor cross-section | 0.75–35 mm² |
| Stranded conductor cross-section | 0.75–25 mm² |
| Installation depth | approx. 91 mm |
| Mounting system | SMISSLINE TP plug-in system |
| Module width | 1 module |
| Weight | approx. 0.115 kg |
| Power loss | approx. 1.2 W |
| Pack unit | 10 pieces |
Frequently Asked Questions
What is the ABB S401P-K8 used for?
The S401P-K8 is a single-pole miniature circuit breaker designed to protect electrical circuits against overload and short-circuit currents in ABB SMISSLINE TP distribution systems.
What is the rated current of the S401P-K8?
The ABB S401P-K8 has a rated current of 8 A.
What does the Type K characteristic mean?
The Type K tripping characteristic is suited to circuits containing equipment with relatively high starting or inrush currents while still providing overload and short-circuit protection.
What is the breaking capacity of the ABB S401P-K8?
The S401P-K8 has a rated ultimate short-circuit breaking capacity of 40 kA at 230/400 V AC according to IEC/EN 60947-2.
Which distribution system is the S401P-K8 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.
