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ABB S203-B32 MCB – S200 – 3P – B – 32A
ABB S203-B32 three-pole miniature circuit breaker with a 32 A current rating and B tripping characteristic for residential, commercial and industrial electrical protection.
This product has been superseded
A direct replacement is available below.
Replacement product
S203-B32 Miniature Circuit Breaker - 3P - B - 32 A
SKU: S203B32
£42.95 ex VAT
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Why Choose the ABB S203-B32 Miniature Circuit Breaker?
The ABB S203-B32 is a high-quality three-pole miniature circuit breaker (MCB) from the proven ABB System pro M Compact S200 series. Featuring a 32 A current rating and a B tripping characteristic, it is designed to provide dependable protection against overloads and short circuits in residential, commercial and light industrial electrical installations. The B curve offers fast disconnection for circuits supplying resistive loads with low inrush currents.
Manufactured to ABB's renowned engineering standards, the S203-B32 combines thermal overload protection with fast electromagnetic short circuit protection. Its compact DIN rail mounted design enables quick installation within distribution boards, switchgear and industrial control panels while delivering excellent long-term reliability.
As part of the ABB System pro M Compact range, the S203-B32 complies with internationally recognised standards and offers dependable protection for electrical installations requiring safe and efficient overcurrent protection.
Key Advantages
- Three-pole miniature circuit breaker for three-phase electrical systems.
- 32 A rated current suitable for commercial and industrial applications.
- B tripping characteristic ideal for resistive loads with low inrush currents.
- Reliable overload and short circuit protection.
- Compact DIN rail mounting for fast installation.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200 series.
- Model: S203-B32.
- 32 A rated current.
- Three protected poles (3P).
- B curve tripping characteristic.
- Thermal and electromagnetic trip mechanisms.
- 6 kA rated breaking capacity to IEC/EN 60898-1.
- DIN rail mounting for distribution boards and industrial control panels.
Reliable Protection for General Electrical Distribution
The ABB S203-B32 safely disconnects electrical circuits during overloads and short circuits, helping protect wiring, equipment and connected devices from electrical faults. Its B characteristic is particularly suitable for lighting circuits, heating systems, socket outlet circuits and other applications with relatively low starting currents.
As part of ABB's trusted System pro M Compact range, the S203-B32 provides dependable performance, straightforward installation and compatibility with a comprehensive range of auxiliary contacts, shunt trips and signalling accessories for complete electrical distribution solutions.
Typical Applications
- Commercial electrical distribution.
- Residential consumer units.
- Lighting circuits.
- Power distribution panels.
- Industrial control panels.
- OEM electrical equipment.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Current | 32 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S203-B32 | |
| Product ID | 2CDS253001R0325 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 32 A | |
| Number of poles | 3 | |
| Tripping characteristic | B | |
| Rated operational voltage | 230/400 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 6 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| Dimensions (H × W × D) | Approx. 88 × 52.5 × 69 mm | |
| Weight | Approx. 0.38 kg |
Frequently Asked Questions
What is the ABB S203-B32 used for?
The ABB S203-B32 protects three-phase electrical circuits against overloads and short circuits in residential, commercial and industrial installations.
What does the B tripping characteristic mean?
The B curve provides rapid tripping for circuits with relatively low inrush currents, making it suitable for lighting, heating and general electrical distribution.
How many poles does the S203-B32 have?
This model is a three-pole (3P) miniature circuit breaker designed for three-phase electrical systems.
How is the circuit breaker installed?
The ABB S203-B32 clips directly onto a standard DIN rail within distribution boards, switchgear and industrial control panels.
Which standards does the ABB S203-B32 comply with?
The circuit breaker complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077 standards for dependable overcurrent protection.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical contractors, panel builders and industrial engineers for delivering dependable overcurrent protection across residential, commercial and industrial applications.
