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ABB S203M-C8NA MCB – S200M – 3P+N – C – 8A
ABB S203M-C8NA miniature circuit breaker featuring a 3P+N configuration, 8 A rated current, Type C tripping characteristic and 10 kA breaking capacity for residential, commercial and industrial circuit protection applications.
£97.85
Why Choose the ABB S203M-C8NA Miniature Circuit Breaker?
The ABB S203M-C8NA is a high-performance 3P+N miniature circuit breaker (MCB) from the trusted ABB System pro M compact S200M range. Designed for residential, commercial and industrial electrical installations, it provides dependable protection against overloads and short circuits in three-phase systems.
This ABB miniature circuit breaker is current limiting and uses two separate tripping mechanisms: a delayed thermal trip for overload protection and an electromechanical trip for short circuit protection. Its compact DIN rail mounted format makes it suitable for distribution boards, switchgear assemblies and industrial control panels.
With an 8 A rated current, Type C tripping characteristic, 3P+N configuration and 10 kA breaking capacity, the S203M-C8NA is ideal for circuits with moderate inrush currents, including motors, lighting systems, control equipment and general industrial loads.
Key Advantages
- High quality ABB System pro M compact S200M miniature circuit breaker.
- 3P+N configuration for three-phase systems with switched neutral.
- Type C tripping curve suitable for moderate inrush current applications.
- 8 A rated current for commercial and industrial circuit protection.
- 10 kA breaking capacity provides dependable short circuit protection.
- Current limiting construction helps reduce thermal and mechanical stress during faults.
Key Features
- ABB System pro M compact S200M series.
- Model: S203M-C8NA.
- Manufacturer Part Number: 2CDS273103R0084.
- Rated current: 8 A.
- Type C tripping characteristic.
- 3P+N pole configuration.
- 10 kA rated breaking capacity.
- Compatible with ABB System pro M compact accessories.
Reliable Protection for Moderate Inrush Current Circuits
The ABB S203M-C8NA protects electrical circuits by disconnecting the supply when overload or short circuit conditions occur. The delayed thermal mechanism responds to sustained overloads, while the electromagnetic trip provides fast interruption under short circuit fault conditions.
Type C miniature circuit breakers are designed for applications where moderate starting currents are expected. This makes the S203M-C8NA suitable for motor circuits, transformer-fed loads, control panels and industrial equipment where dependable protection and operational continuity are important.
Typical Applications
- Industrial control panels.
- Commercial distribution boards.
- Motor and automation circuits.
- Lighting and building services.
- Machine building and OEM equipment.
- Three-phase electrical distribution systems.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Current | 8 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-C8NA | |
| Part Number | 2CDS273103R0084 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 8 A | |
| Tripping characteristic | Type C | |
| Pole configuration | 3P+N | |
| Rated operational voltage | 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 70 × 69 mm | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203M-C8NA used for?
It is used to protect three-phase electrical circuits against overloads and short circuits, particularly where moderate inrush currents are expected.
What is the current rating of this circuit breaker?
The ABB S203M-C8NA has an 8 A rated current.
What does Type C tripping characteristic mean?
Type C MCBs are designed for circuits with moderate inrush currents, such as motors, transformers, control panels and general industrial equipment.
How many poles does this circuit breaker have?
This model has a 3P+N configuration, providing three protected poles with neutral switching.
Where is the S203M-C8NA typically installed?
It is designed for DIN rail mounting inside distribution boards, switchgear assemblies and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by contractors, panel builders and industrial engineers worldwide for dependable protection, reliable operation and consistent installation quality.
