ABB S203MT-K1.6 miniature circuit breaker, a 3-pole K curve 1.6 A MCB from the S200MT range designed for railway, traction and industrial circuit protection.
£245.74
The ABB S203MT-K1.6 is a robust and compact 3-pole miniature circuit breaker (MCB) developed for dependable overload and short-circuit protection in traction, railway and industrial control applications. As part of the specialist ABB S200MT miniature circuit breaker range, it is engineered to deliver reliable circuit protection in demanding environments where safety, durability and operational continuity are essential.
This miniature circuit breaker combines a delayed thermal tripping mechanism for overload protection with an electromechanical tripping mechanism for short-circuit protection. Its K characteristic is ideal for circuits with moderate inrush currents, helping minimise nuisance tripping while providing effective protection for connected equipment and electrical installations.
With a rated current of 1.6 A, a 3-pole configuration and a rated short-circuit capacity of 10 kA, the S203MT-K1.6 is well suited to low-current three-phase control circuits, signalling systems and auxiliary electrical equipment. Its DIN rail mounting format allows quick installation inside electrical control panels and distribution boards.
Miniature circuit breakers such as the ABB S203MT-K1.6 automatically disconnect electrical circuits during overload and short-circuit conditions, helping protect wiring, control equipment and connected machinery from electrical faults.
The ABB S200MT range is specifically designed for railway and traction applications while also being suitable for demanding industrial installations. Its robust construction, high breaking capacity and compatibility with System pro M compact accessories make it a practical choice for engineers and panel builders.
| Current | 1.6 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S200MT |
| Model | S203MT-K1.6 |
| Product type | Miniature circuit breaker |
| Number of poles | 3P |
| Rated current | 1.6 A |
| Tripping characteristic | K curve |
| Rated voltage | 440 V AC |
| Frequency | 50 / 60 Hz |
| Rated short-circuit capacity | 10 kA |
| Rated impulse withstand voltage | 4 kV |
| Current limiting class | 3 |
| Protection rating | IP20 |
| Mounting type | DIN rail mounting |
| Built-in depth | approx. 69 mm |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203MT-K1.6 protects low-current three-phase circuits against overloads and short circuits in railway, traction and industrial control applications.
The S203MT-K1.6 has a rated current of 1.6 A.
This miniature circuit breaker features a 3-pole configuration.
The K characteristic is designed for circuits with moderate inrush currents, helping avoid nuisance tripping while maintaining reliable overload and short-circuit protection.
The ABB S203MT-K1.6 has a rated short-circuit capacity of 10 kA.
ABB S200MT miniature circuit breakers are trusted by electrical engineers, machine builders and railway specialists for dependable protection in demanding industrial and transport 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...