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ABB S203M-C40 MCB – S200M – 3P – C – 40A
ABB S203M-C40 3-pole 40 A Type C miniature circuit breaker with 10 kA breaking capacity for commercial, industrial and OEM electrical protection.
£58.05
Why Choose the ABB S203M-C40 Miniature Circuit Breaker?
The ABB S203M-C40 is a robust 3-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in commercial, industrial and OEM electrical installations. As part of the proven ABB System pro M Compact S200M series, it combines compact dimensions, reliable performance and long service life for demanding three-phase electrical systems.
Featuring a Type C tripping characteristic, the S203M-C40 is ideally suited to circuits with moderate inrush currents, including motors, transformers, HVAC equipment, automation systems and industrial machinery. Its current-limiting design reduces fault energy whilst providing dependable overload and short-circuit protection.
With a 40 A rated current, 3-pole configuration and a 10 kA breaking capacity, the ABB S203M-C40 offers professional-grade circuit protection whilst complying with IEC/EN 60898-1 and IEC/EN 60947-2 standards.
Key Advantages
- Reliable 3-pole miniature circuit breaker for industrial and commercial installations.
- 40 A rated current suitable for higher load three-phase circuits.
- Type C tripping characteristic for moderate inrush current applications.
- 10 kA breaking capacity for dependable short-circuit protection.
- Compact DIN rail mounting for fast installation.
- Compatible with ABB System pro M Compact modular accessories.
Key Features
- ABB System pro M Compact S200M series.
- 3-pole miniature circuit breaker.
- 40 A rated current.
- Type C tripping curve.
- 10 kA rated short-circuit breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- Current-limiting design for improved system protection.
- DIN rail mounted construction.
Reliable Protection for Three-Phase Electrical Systems
The ABB S203M-C40 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping to protect cables, switchgear and connected equipment from excessive current. Its current-limiting technology reduces the energy released during fault conditions, improving both equipment protection and electrical safety.
Designed for professional installations, the S200M range delivers long mechanical endurance, dependable operation and compatibility with ABB modular accessories. It is widely used in industrial control panels, commercial distribution boards and machine building applications.
Typical Applications
- Industrial control panels.
- Three-phase power distribution.
- Automation and machine control systems.
- Motor and transformer protection.
- HVAC equipment.
- OEM machinery and electrical equipment.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Current | 40 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200M | |
| Model | S203M-C40 | |
| Manufacturer part number | 2CDS273001R0404 | |
| EAN | 4016779550499 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 40 A | |
| Tripping characteristic | Type C | |
| Number of poles | 3P | |
| Rated operational voltage | Up to 440 V AC | |
| Rated DC voltage | Up to 125 V DC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm | |
| Weight | approx. 0.36 kg | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203M-C40 used for?
The ABB S203M-C40 protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
What current rating does the S203M-C40 have?
The S203M-C40 has a rated current of 40 A.
What does the Type C tripping characteristic mean?
Type C circuit breakers are designed for circuits with moderate inrush currents, making them suitable for motors, transformers, HVAC equipment and general power distribution.
How many poles does the ABB S203M-C40 have?
This model is a 3-pole miniature circuit breaker, providing simultaneous protection and isolation across three conductors.
What is the breaking capacity of the S203M-C40?
The ABB S203M-C40 has a rated short-circuit breaking capacity of 10 kA.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted by electricians, panel builders and automation engineers worldwide for dependable circuit protection, compact installation and long-term reliability.
