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2CCS572001R0165 ABB S402M-B16 MCB 10kA 2P Type B 16A
ABB S402M-B16 is a 16 A Type B 2-pole miniature circuit breaker with 10 kA breaking capacity, designed for reliable overload and short-circuit protection in SMISSLINE plug-in distribution systems.
£44.11
Why Choose the ABB S402M-B16 Miniature Circuit Breaker?
The ABB S402M-B16 is a high-performance 2-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in electrical distribution systems. Part of the ABB S400M range for the SMISSLINE TP plug-in system, this circuit breaker combines a 16 A rated current, Type B tripping characteristic and 10 kA rated short-circuit breaking capacity.
Designed for ABB's SMISSLINE plug-in distribution platform, the S402M-B16 enables efficient installation and replacement within compatible SMISSLINE assemblies. Its thermal and electromagnetic tripping mechanisms provide protection against sustained overloads and short-circuit faults, helping safeguard cables, equipment and downstream circuits.
With two protected poles, a rated voltage of 400 V AC and compliance with IEC/EN 60898-1, the S402M-B16 is suitable for commercial, industrial and infrastructure distribution applications where dependable circuit protection and convenient plug-in installation are required.
Key Advantages
- 16 A rated current for protection of compatible final and distribution circuits.
- 2-pole configuration provides simultaneous protection and switching of two conductors.
- Type B tripping characteristic suited to circuits with relatively low inrush currents.
- 10 kA rated short-circuit breaking capacity to IEC/EN 60898-1.
- Purpose-designed for the ABB SMISSLINE plug-in system.
- Thermal and electromagnetic protection against overload and short-circuit conditions.
Key Features
- ABB S400M series miniature circuit breaker.
- 16 A nominal current rating.
- Type B tripping characteristic.
- 2 protected poles.
- 400 V AC rated voltage.
- 10 kA breaking capacity to IEC/EN 60898-1.
- IP20 protection rating.
- SMISSLINE plug-in mounting for compatible distribution systems.
- Compact two-module design.
Reliable Circuit Protection for SMISSLINE Distribution Systems
Miniature circuit breakers such as the ABB S402M-B16 protect electrical circuits against excessive current caused by overloads and short circuits. The thermal trip responds to sustained overload conditions, while the electromagnetic trip provides rapid operation when high fault currents occur.
The ABB SMISSLINE system is designed around plug-in distribution technology, allowing compatible protective devices to be integrated efficiently into modular electrical distribution assemblies. The S402M-B16 combines this installation concept with Type B protection, two-pole switching and a 10 kA breaking capacity for dependable protection in demanding electrical installations.
Typical Applications
- ABB SMISSLINE TP electrical distribution systems.
- Commercial and industrial distribution boards.
- Final circuit protection.
- Control panels and electrical switchboards.
- Building services and infrastructure installations.
- Circuits with relatively low switch-on and inrush currents.
Technical Specifications
| Series | S400M / SMISSLINE TP |
|---|---|
| ABB order code | 2CCS572001R0165 |
| Product type | Miniature circuit breaker (MCB) |
| Number of poles | 2 |
| Rated current | 16 A |
| Tripping characteristic | Type B |
| Rated voltage | 400 V AC |
| Rated short-circuit breaking capacity | 10 kA |
| Frequency | 50–60 Hz |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Protection rating | IP20 |
| Energy limiting class | 3 |
| Mounting type | SMISSLINE plug-in |
| Width | 2 modules / 36 mm |
| Dimensions (W × H × D) | 36 × 91 × 75 mm |
| Operating temperature | −25 to +60 °C |
| Standard | IEC/EN 60898-1 |
| EAN | 7612270102020 |
Frequently Asked Questions
What is the ABB S402M-B16 used for?
The ABB S402M-B16 is a 2-pole miniature circuit breaker used to protect electrical circuits against overload and short-circuit currents in compatible ABB SMISSLINE distribution systems.
What is the current rating of the S402M-B16?
The S402M-B16 has a rated current of 16 A.
What does the Type B characteristic mean?
The Type B tripping characteristic is intended for circuits with relatively low inrush currents, providing rapid magnetic operation when sufficiently high short-circuit current is detected.
What is the breaking capacity of the ABB S402M-B16?
The S402M-B16 has a rated short-circuit breaking capacity of 10 kA to IEC/EN 60898-1.
How is the S402M-B16 installed?
The circuit breaker is designed for plug-in installation in compatible ABB SMISSLINE systems, providing convenient integration into modular electrical distribution assemblies.
Trusted ABB Circuit Protection
ABB SMISSLINE protective devices combine modular plug-in distribution technology with dependable circuit protection, supporting efficient and reliable electrical distribution in commercial and industrial installations.
