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ABB S203M-C2NA MCB – S200M – 3P+N – C – 2A
ABB S203M-C2NA 3+NP 2 A miniature circuit breaker with C characteristic tripping curve and 10 kA short circuit capacity for residential, commercial and industrial circuit protection.
£112.43
Why Choose the ABB S203M-C2NA Miniature Circuit Breaker?
The ABB S203M-C2NA is a high quality 3+NP miniature circuit breaker (MCB) designed for reliable overload and short circuit protection in residential, commercial and industrial electrical installations. As part of the trusted ABB System pro M compact S200M series, it provides dependable low voltage circuit protection in a compact DIN rail mounted format.
This circuit breaker combines delayed thermal overload protection with electromechanical short circuit protection. Its C characteristic tripping curve is suitable for circuits with moderate inrush currents, making it ideal for lighting, control panels, small motors, transformers, automation equipment and general distribution circuits.
With a 2 A rated current, 3+NP configuration and 10 kA short circuit capacity, the ABB S203M-C2NA provides robust protection for three-phase and neutral circuits. The switched neutral design supports safe isolation and reliable operation within distribution boards, control panels and industrial electrical systems.
Key Advantages
- Compact 3+NP miniature circuit breaker for low voltage installations.
- 2 A rated current for low current protection circuits.
- C characteristic tripping curve for circuits with moderate inrush currents.
- 10 kA short circuit capacity for dependable fault protection.
- Part of the proven ABB System pro M compact S200M range.
- DIN rail mounting for quick installation inside electrical panels.
Key Features
- ABB S200M miniature circuit breaker series.
- 2 A rated current.
- 3+NP pole configuration.
- C characteristic tripping curve.
- 10 kA rated short circuit capacity.
- Delayed thermal overload protection.
- Electromechanical short circuit protection.
- Suitable for residential, commercial and industrial applications.
Reliable Circuit Protection for Low Voltage Installations
ABB System pro M compact S200M miniature circuit breakers are current limiting devices designed to protect electrical circuits from overload and short circuit faults. They are widely used across residential, commercial and industrial applications where safe and dependable low voltage protection is required.
The C curve characteristic of the S203M-C2NA provides a balanced trip response for circuits with moderate inrush currents. This makes it suitable for general electrical distribution, control equipment and automation circuits where reliable disconnection is required under fault conditions.
Typical Applications
- Commercial distribution boards.
- Industrial control panels.
- Three-phase and neutral electrical circuits.
- Automation and control systems.
- Lighting and power distribution circuits.
- General low voltage circuit protection.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Current | 2 A | |
| Poles | 3-pole + N | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200M | |
| Model | S203M-C2NA | |
| Product type | Miniature circuit breaker (MCB) | |
| Product ID | 2CDS273103R0024 | |
| Rated current | 2 A | |
| Number of poles | 3+NP | |
| Number of protected poles | 3 | |
| Tripping characteristic | C | |
| Rated short circuit capacity | 10 kA | |
| Rated operational voltage | 400 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Current limiting class | Class 3 | |
| Typical applications | Distribution boards, control panels, automation systems and general low voltage circuits | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203M-C2NA used for?
The S203M-C2NA is used to protect low current three-phase and neutral electrical circuits against overloads and short circuits.
What current rating does this MCB have?
The ABB S203M-C2NA has a 2 A rated current.
What does the C tripping characteristic mean?
The C curve is suitable for circuits with moderate inrush currents, making it appropriate for general distribution, control and automation applications.
How many poles does the S203M-C2NA have?
This model has a 3+NP configuration, providing protection for three phases with a switched neutral pole.
Where is the S203M-C2NA typically installed?
It is typically installed on a DIN rail inside distribution boards, control panels and industrial electrical enclosures.
Trusted by Electrical Professionals Worldwide
ABB S200M miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for dependable protection, compact installation and long-term reliability in low voltage electrical systems.
