Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S203-Z16 MCB – S200 – 3P – Z – 16A
ABB S203-Z16 three-pole 16 A Z curve miniature circuit breaker from the System pro M Compact S200 range for protecting sensitive electrical and electronic circuits against overloads and short circuits.
£74.70
Why Choose the ABB S203-Z16 Miniature Circuit Breaker?
The ABB S203-Z16 is a premium three-pole miniature circuit breaker (MCB) from the proven ABB System pro M Compact S200 series. Designed to provide dependable protection against overloads and short circuits, it is ideal for industrial control systems, automation equipment and sensitive electronic circuits requiring fast fault protection.
Featuring a Z tripping characteristic, the S203-Z16 is specifically engineered for circuits with low inrush current tolerance, making it particularly suitable for protecting sensitive electronic equipment, measuring devices, PLC systems and semiconductor applications. Its precision thermal and magnetic tripping mechanisms deliver rapid disconnection during fault conditions while maintaining reliable everyday operation.
With a 16 A rated current, three protected poles and a 6 kA breaking capacity in accordance with IEC/EN 60898-1, the ABB S203-Z16 provides compact, reliable circuit protection for modern commercial and industrial electrical installations.
Key Advantages
- High quality three-pole miniature circuit breaker.
- 16 A rated current with Z tripping characteristic.
- Fast magnetic tripping for sensitive electrical equipment.
- 6 kA breaking capacity for dependable protection.
- Protects against overloads and short circuits.
- Compatible with ABB auxiliary contacts and accessories.
Key Features
- ABB System pro M Compact S200 series.
- 16 A rated current.
- Z tripping characteristic.
- Three-pole (3P) configuration.
- 6 kA rated breaking capacity.
- Current limiting design for enhanced circuit protection.
- Thermal overload and magnetic short circuit protection.
- DIN rail mounting with failsafe screw terminals.
Reliable Protection for Sensitive Electrical Equipment
The ABB S203-Z16 automatically disconnects electrical circuits when overload or short circuit conditions occur, helping to minimise equipment damage and downtime. Its Z characteristic provides rapid magnetic tripping, making it particularly suitable for protecting sensitive electronic components that require fast fault clearance.
Manufactured to ABB's high quality standards, the S203-Z16 delivers dependable long-term performance, excellent electrical endurance and straightforward integration into new or existing electrical installations.
Typical Applications
- PLC and automation systems.
- Electronic control panels.
- Instrumentation circuits.
- Semiconductor equipment.
- Industrial machinery.
- Commercial electrical distribution systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 16 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S203-Z16 | |
| Manufacturer Part Number | 2CDS253001R0468 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 16 A | |
| Number of poles | 3P | |
| Tripping characteristic | Z | |
| Rated operational voltage | Up to 440 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 6 kA (IEC/EN 60898-1) | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm | |
| Weight | Approx. 0.345 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203-Z16 used for?
The ABB S203-Z16 protects three-phase electrical circuits against overloads and short circuits, particularly where sensitive electronic equipment requires rapid fault protection.
What does the Z tripping characteristic mean?
The Z characteristic provides a fast magnetic trip, making it suitable for protecting sensitive electronic devices, PLCs and semiconductor equipment.
How many poles does this circuit breaker have?
The S203-Z16 is a three-pole (3P) miniature circuit breaker.
What is the rated current?
This miniature circuit breaker has a 16 A rated current.
How is the ABB S203-Z16 installed?
The S203-Z16 is designed for secure installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted worldwide by panel builders, OEMs and electrical engineers for dependable circuit protection, consistent quality and long operational life.
