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S203-C100 Miniature Circuit Breaker – 3P – C – 100 A
ABB S203C100 3-pole 100 A miniature circuit breaker with C curve tripping characteristic and 6 kA breaking capacity for overload and short-circuit protection.
£111.41
Why Choose the ABB S203C100 Miniature Circuit Breaker?
The ABB S203C100 is a high-performance 3-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in commercial, industrial and heavy-duty electrical installations. As part of the trusted ABB System pro M Compact S200 80-100A series, it combines robust construction with reliable thermal-magnetic protection for demanding power distribution applications.
Featuring a C curve tripping characteristic, the S203C100 is ideal for circuits with moderate inrush currents, making it suitable for motors, pumps, compressors, HVAC equipment and general industrial power distribution. Its current-limiting design helps minimise fault energy while ensuring fast and reliable protection during overload and short-circuit conditions.
With a rated current of 100 A, a 3-pole configuration and a 6 kA short-circuit breaking capacity, the ABB S203C100 is designed for three-phase systems operating up to 400 V AC. Its DIN rail mounting format allows straightforward installation within distribution boards, switchgear assemblies and industrial control panels.
Key Advantages
- Reliable 3-pole miniature circuit breaker for overload and short-circuit protection.
- 100 A rated current for high-current electrical distribution.
- C curve tripping characteristic suitable for moderate inrush current applications.
- 6 kA breaking capacity for dependable fault protection.
- Current-limiting design reduces fault energy.
- Compact DIN rail mounting simplifies installation.
Key Features
- ABB System pro M Compact S200 80-100A series.
- Model S203-C100.
- 100 A rated current.
- 3-pole configuration.
- C trip characteristic.
- 400 V AC rated operational voltage.
- 6 kA short-circuit breaking capacity.
- Thermal and electromagnetic tripping mechanisms.
- Current-limiting operation.
- DIN rail mounting.
- Designed to IEC/EN 60898-1 and IEC/EN 60947-2 standards.
Reliable Protection for High-Current Three-Phase Systems
The ABB S203C100 automatically disconnects electrical circuits when overload or short-circuit conditions occur, helping protect wiring, switchgear and connected equipment from electrical faults. Its thermal-magnetic mechanism ensures dependable operation while reducing downtime and improving system safety.
The C curve characteristic makes the breaker ideal for applications with moderate starting currents, making it well suited to industrial motors, HVAC equipment, commercial distribution systems and OEM machinery.
Typical Applications
- Industrial electrical distribution boards.
- Three-phase power distribution systems.
- Motor control circuits.
- HVAC installations.
- Commercial buildings.
- OEM machinery and automation equipment.
- Industrial switchgear assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 100 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 80-100A | |
| Model | S203-C100 | |
| Product code | 2CDS253001R0824 | |
| EAN | 4016779916288 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 100 A | |
| Number of poles | 3 | |
| Trip characteristic | C Curve | |
| Rated operational voltage | 400 V AC | |
| Maximum operational voltage | 440 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short-circuit breaking capacity | 6 kA | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Protection rating | IP20 | |
| Mechanical endurance | 20,000 operating cycles | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.36 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203C100 used for?
The ABB S203C100 protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and heavy-duty electrical installations.
What does the C curve characteristic mean?
A C curve breaker is designed for circuits with moderate inrush currents, making it suitable for motors, pumps, compressors, HVAC equipment and general industrial applications.
How many poles does the ABB S203C100 have?
The S203C100 is a 3-pole miniature circuit breaker for protecting three-phase electrical circuits.
What is the rated current?
The ABB S203C100 has a 100 amp current rating.
How is the breaker installed?
The breaker is designed for installation onto a standard DIN rail within distribution boards, switchgear assemblies and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers worldwide for delivering reliable protection, robust construction and long-term performance in demanding electrical installations.
