ABB S203MT-K1.6UC miniature circuit breaker with 3 poles, 1.6 A rated current and K curve characteristic for railway, traction and industrial applications.
£508.19
The ABB S203MT-K1.6UC (Part Number 2CDS273065R0257) is a specialist 3 pole miniature circuit breaker (MCB) from the ABB S200MTUC series. Designed specifically for traction, railway and demanding industrial applications, it provides dependable overload and short circuit protection for low-current three-phase AC and DC circuits.
Featuring a K tripping characteristic, the S203MT-K1.6UC is ideal for circuits with elevated inrush currents such as control transformers, power supplies, auxiliary systems and inductive loads. Its current limiting construction helps minimise fault energy while maintaining reliable operation in harsh environments.
With a 1.6 A rated current, 3 pole configuration and 10 kA breaking capacity, this DIN rail mounted miniature circuit breaker is engineered for railway vehicles, rolling stock, industrial control panels and automation systems where dependable circuit protection is essential.
The ABB S203MT-K1.6UC combines thermal overload protection with instantaneous magnetic short circuit protection to safeguard electrical installations. Its K characteristic allows temporary high inrush currents while providing dependable fault protection for transformers, power supplies and inductive equipment.
Designed specifically for railway and traction applications, the S200MTUC range offers robust performance, excellent reliability and compatibility with demanding transport and industrial environments, making it suitable for OEMs, rolling stock manufacturers and control panel builders.
| Current | 1.6 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S200MTUC |
| Model | S203MT-K1.6UC |
| Part Number | 2CDS273065R0257 |
| EAN | 4013614447785 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 1.6 A |
| Poles | 3 |
| Protected poles | 3 |
| Trip characteristic | K 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 |
| 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 |
| Weight | approx. 0.37 kg |
| Standards | IEC/EN 60947-2, UL1077, CSA 22.2 No.235 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203MT-K1.6UC protects three-phase electrical circuits against overloads and short circuits in railway, traction and industrial applications.
A K curve MCB is designed for circuits with elevated inrush currents, making it suitable for transformers, power supplies and inductive equipment.
The S203MT-K1.6UC is a 3 pole miniature circuit breaker providing protection across all three phases.
The ABB S203MT-K1.6UC has a rated current of 1.6 A.
Yes. The ABB S200MTUC range has been specifically developed 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 dependable circuit protection, compact installation and reliable long-term performance.
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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...