ABB S203M-C3NA miniature circuit breaker featuring a 3P+N configuration, 3 A rated current, Type C tripping characteristic and 10 kA breaking capacity for industrial and commercial electrical protection.
£204.42
The ABB S203M-C3NA (Part Number 2CDS273103R0034) is a high-performance 3P+N miniature circuit breaker (MCB) from the trusted ABB System pro M compact S200M range. Designed for commercial, industrial and OEM applications, it provides dependable protection against overloads and short circuits while maintaining excellent current limiting performance.
Engineered to IEC and EN standards, the S203M-C3NA incorporates both a thermal overload trip and an electromagnetic short circuit trip, ensuring fast, reliable circuit protection. Its compact DIN rail mounted design makes installation straightforward within modern electrical distribution panels.
With a 3 A rated current, Type C tripping characteristic, 3P+N configuration and a 10 kA breaking capacity, this ABB miniature circuit breaker is ideal for protecting three-phase circuits supplying equipment with moderate inrush currents, including motors, control systems and industrial machinery.
The ABB S203M-C3NA provides dependable protection against overloads and short circuits in electrical distribution systems. Its current limiting construction helps reduce thermal and mechanical stress during fault conditions, contributing to improved equipment protection and system reliability.
Suitable for commercial buildings, industrial control panels and OEM machinery, the S200M range combines robust performance with ABB's proven engineering, making it an excellent choice for demanding installations.
| Current | 3 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S200M |
| Model | S203M-C3NA |
| Part Number | 2CDS273103R0034 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 3 A |
| Tripping characteristic | Type C |
| Pole configuration | 3P+N |
| Rated operational voltage | Up to 400 V AC |
| Frequency | 50 / 60 Hz |
| Breaking capacity | 10 kA |
| Mounting type | DIN rail |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
| Dimensions (H × W × D) | approx. 88 × 70 × 69 mm |
| Weight | approx. 0.44 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It provides overload and short circuit protection for three-phase electrical circuits in industrial, commercial and OEM applications.
The ABB S203M-C3NA has a 3 A rated current.
Type C MCBs are designed for circuits with moderate inrush currents, making them suitable for motors, transformers and general industrial equipment.
This model features a 3P+N configuration, protecting three phases with a switched neutral.
It is designed for DIN rail mounting inside distribution boards, switchgear assemblies and industrial control panels.
ABB System pro M compact miniature circuit breakers are trusted by panel builders, electrical contractors and industrial engineers worldwide for reliable circuit protection, long service life and consistent performance.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...