ABB S203MT-Z1.6UC miniature circuit breaker with 3 poles, 1.6 A rated current and Z curve characteristic for railway, traction, AC/DC and industrial circuit protection applications.
£577.89
The ABB S203MT-Z1.6UC (Part Number 2CDS273065R0258) is a specialist 3 pole miniature circuit breaker (MCB) from the ABB S200MTUC series. Designed for traction, railway and demanding industrial applications, it provides reliable overload and short circuit protection for low-current AC and DC electrical circuits.
Featuring a Z tripping characteristic, the S203MT-Z1.6UC is ideal for sensitive electrical circuits where rapid magnetic tripping is required at relatively low fault currents. It is particularly suitable for protecting electronic equipment, signalling circuits, instrumentation, automation systems and specialist control equipment.
With a 1.6 A rated current, 3 pole configuration and 10 kA short circuit capacity, this DIN rail mounted miniature circuit breaker delivers dependable protection for railway vehicles, rolling stock, industrial control panels and automation assemblies where compact, robust circuit protection is essential.
The ABB S203MT-Z1.6UC combines thermal overload protection with instantaneous magnetic short circuit protection to safeguard low-current electrical circuits. Its Z curve characteristic provides fast tripping at low fault current levels, making it suitable for sensitive electronics, instrumentation and control systems.
Designed for railway, traction and demanding industrial installations, the S200MTUC range offers robust circuit protection in compact modular format. Its AC/DC capability, DIN rail mounting and accessory compatibility make it a strong choice for OEMs, rolling stock manufacturers and industrial panel builders.
| Current | 1.6 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S200MTUC |
| Model | S203MT-Z1.6UC |
| Part Number | 2CDS273065R0258 |
| EAN | 4013614447792 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 1.6 A |
| Poles | 3 |
| Protected poles | 3 |
| Trip characteristic | Z Curve |
| Rated operational voltage | Up to 440 V AC/DC |
| Frequency | 50 / 60 Hz and DC |
| Rated short circuit capacity | 10 kA |
| Current limiting class | 3 |
| Rated insulation voltage | 440 V |
| Rated impulse withstand voltage | 4 kV |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Mechanical endurance | 20,000 operating cycles |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm |
| Standards | IEC/EN 60947-2, IEC/EN 60898-1, UL1077, CSA 22.2 No. 235 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203MT-Z1.6UC protects low-current AC and DC circuits against overloads and short circuits in railway, traction and industrial applications.
A Z curve MCB provides sensitive magnetic tripping and is designed for circuits where fast disconnection is required at relatively low fault currents.
The S203MT-Z1.6UC is a 3 pole miniature circuit breaker with three protected poles.
The ABB S203MT-Z1.6UC has a rated current of 1.6 A.
Yes. The ABB S200MTUC range is designed for traction and railway applications while also being suitable for demanding industrial installations.
ABB S200MTUC miniature circuit breakers are trusted by railway manufacturers, transport engineers and industrial panel builders for reliable circuit protection, compact installation and dependable long-term performance in demanding applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...