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ABB S203M-C0.5 MCB – S200M – 3P – C – 0.5A
ABB S203M-C0.5 3-pole 0.5 A Type C miniature circuit breaker with 10 kA breaking capacity for industrial, commercial and OEM electrical protection.
£62.17
Why Choose the ABB S203M-C0.5 Miniature Circuit Breaker?
The ABB S203M-C0.5 is a precision-engineered 3-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in low current three-phase electrical circuits. As part of the trusted ABB System pro M Compact S200M series, it delivers dependable protection, compact installation and long service life for industrial, commercial and OEM applications.
Featuring a Type C tripping characteristic, the S203M-C0.5 is ideal for circuits with moderate inrush currents, including instrumentation, control transformers, automation equipment, PLC panels and auxiliary power supplies. Its thermal and magnetic tripping mechanisms ensure rapid fault protection whilst helping to minimise nuisance tripping.
With a 0.5 A rated current, 3-pole configuration and a 10 kA breaking capacity, the ABB S203M-C0.5 provides dependable protection whilst complying with IEC/EN 60898-1 and IEC/EN 60947-2 standards.
Key Advantages
- Reliable 3-pole miniature circuit breaker for low current applications.
- 0.5 A rated current suitable for instrumentation and control 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.
- 0.5 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 equipment protection.
- DIN rail mounted construction.
Reliable Protection for Low Current Three-Phase Circuits
The ABB S203M-C0.5 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping to protect sensitive control equipment, instrumentation, wiring and connected devices. Its current-limiting construction reduces fault energy and contributes to improved electrical safety.
Designed for professional installations, the S200M range combines dependable operation, long mechanical endurance and compatibility with ABB modular accessories. It is widely used in industrial control panels, OEM machinery and commercial electrical systems.
Typical Applications
- Industrial control panels.
- Instrumentation circuits.
- PLC and automation systems.
- Control transformer protection.
- OEM machinery and electrical equipment.
- Low current auxiliary power circuits.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Current | 0.5 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-C0.5 | |
| Manufacturer part number | 2CDS273001R0984 | |
| EAN | 4016779550352 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 0.5 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) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.375 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-C0.5 used for?
The ABB S203M-C0.5 protects low current three-phase electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
What current rating does the S203M-C0.5 have?
The S203M-C0.5 has a rated current of 0.5 A.
What does Type C tripping characteristic mean?
Type C circuit breakers are designed for circuits with moderate inrush currents, making them suitable for control transformers, automation equipment and other inductive loads.
How many poles does the ABB S203M-C0.5 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-C0.5?
The ABB S203M-C0.5 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.
