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2CCS572001R0081 ABB S402M-D8 MCB 8 A Type D 10 kA 2P
ABB S402M-D8 is an 8 A Type D 2-pole miniature circuit breaker with 10 kA rated short-circuit breaking capacity and SMISSLINE TP plug-in mounting for commercial and industrial electrical distribution systems.
£66.50
Why Choose the ABB S402M-D8 Miniature Circuit Breaker?
The ABB S402M-D8 is a compact, current-limiting miniature circuit breaker (MCB) designed to provide overload and short-circuit protection in commercial and industrial electrical distribution systems. As part of the ABB SMISSLINE TP S400M series, it combines dependable two-pole protection with the modular plug-in installation advantages of the SMISSLINE system.
This circuit breaker uses thermal and electromagnetic tripping to protect wiring and connected equipment against overcurrents. Its Type D tripping characteristic is designed for compatible circuits with high starting or inrush currents, making it suitable for selected motors, transformers and other demanding inductive loads.
With a rated current of 8 A, a rated voltage of 400 V AC and a 10 kA rated short-circuit breaking capacity, the S402M-D8 provides dependable two-pole circuit protection. Its SMISSLINE TP plug-in design enables straightforward integration into compatible ABB modular distribution systems.
Key Advantages
- Compact 2-pole miniature circuit breaker for SMISSLINE TP systems.
- 8 A rated current for low-current circuit protection.
- Type D tripping characteristic for compatible circuits with high starting or inrush currents.
- 10 kA rated short-circuit breaking capacity.
- Both poles are protected for comprehensive two-pole circuit protection.
- Current limiting class 3 for effective fault-current limitation.
- Plug-in SMISSLINE mounting supports efficient installation, replacement and system expansion.
Key Features
- ABB SMISSLINE TP S400M series.
- 8 A rated current.
- 400 V AC rated voltage.
- 50–60 Hz frequency range.
- Type D trip characteristic.
- 2-pole configuration with both poles protected.
- 10 kA Icn rated short-circuit breaking capacity.
- 440 V rated insulation voltage.
- 4 kV rated impulse withstand voltage.
- Current limiting class 3.
- IP20 protection rating.
- Complies with IEC/EN 60898-1.
Reliable Protection for High-Inrush Electrical Circuits
Miniature circuit breakers such as the ABB S402M-D8 protect electrical wiring and connected equipment against excessive current. Thermal tripping responds to sustained overload conditions, while electromagnetic tripping provides rapid disconnection during short-circuit faults.
The Type D characteristic makes the S402M-D8 particularly suitable for compatible circuits where normal starting currents can be significantly higher than steady-state operating current. Combined with two protected poles and ABB’s SMISSLINE TP plug-in architecture, it provides a practical protection solution for demanding commercial and industrial electrical distribution applications.
Typical Applications
- Industrial control and automation panels.
- Compatible motor circuits with high starting currents.
- Transformer circuits.
- Machinery and industrial equipment distribution.
- Low-current two-pole circuits with high inrush loads.
- Commercial and industrial electrical distribution boards.
- SMISSLINE TP modular distribution systems.
Technical Specifications
| Series | SMISSLINE TP S400M |
|---|---|
| ABB order code | 2CCS572001R0081 |
| EAN | 7612270102273 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 8 A |
| Rated voltage | 400 V AC |
| Frequency | 50–60 Hz |
| Trip characteristic | Type D |
| Pole configuration | 2P |
| Number of protected poles | 2 |
| Rated short-circuit capacity Icn | 10 kA at 230/400 V AC |
| Rated insulation voltage Ui | 440 V |
| Rated impulse withstand voltage Uimp | 4 kV |
| Current limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Protection rating | IP20 |
| Applicable standard | IEC/EN 60898-1 |
| Mounting type | Plug-in SMISSLINE TP |
| Module width | 2 modules |
| Rigid conductor connection | 0.75–35 mm² |
| Multi-wired conductor connection | 0.75–25 mm² |
| Electrical endurance | 10,000 cycles |
| Operating ambient temperature | -25 to +60 °C |
| Power loss | 2.6 W |
| Dimensions (W × H × D) | 36 × 91 × 75 mm |
| Weight | approx. 221 g |
Frequently Asked Questions
What is the ABB S402M-D8 used for?
The S402M-D8 provides overload and short-circuit protection for compatible two-pole electrical circuits, particularly applications with high starting or inrush currents within ABB SMISSLINE TP distribution systems.
What is the rated current of the S402M-D8?
The S402M-D8 has a rated current of 8 A.
What tripping characteristic does the S402M-D8 use?
The breaker uses a Type D tripping characteristic, making it suitable for compatible circuits with high starting or inrush currents, such as selected motor and transformer applications.
What is the breaking capacity of the S402M-D8?
The S402M-D8 has a rated short-circuit breaking capacity of 10 kA at 230/400 V AC according to IEC/EN 60898-1.
How is the ABB S402M-D8 installed?
The breaker uses ABB’s SMISSLINE TP plug-in system, allowing it to be integrated into compatible modular SMISSLINE electrical distribution assemblies.
Trusted Electrical Protection from ABB
ABB SMISSLINE TP miniature circuit breakers provide dependable overload and short-circuit protection while supporting modular plug-in installation for commercial and industrial electrical distribution applications.
