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ABB S203MT-K1.6 MCB – S200M – 3P – K – 1.6A
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.
£184.31
Why Choose the ABB S203MT-K1.6 Miniature Circuit Breaker?
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.
Key Advantages
- Compact 3-pole miniature circuit breaker for traction and railway applications.
- 1.6 A rated current for reliable low-current protection.
- K curve tripping characteristic suitable for circuits with moderate inrush currents.
- 10 kA breaking capacity for dependable fault protection.
- Current limiting class 3 performance helps protect downstream equipment.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 3-pole MCB configuration.
- 1.6 A rated current.
- K characteristic tripping curve.
- 10 kA rated short-circuit capacity.
- Thermal and electromagnetic trip mechanisms.
- Designed specifically for traction and railway applications.
- DIN rail mounting for electrical panels and distribution boards.
Reliable Circuit Protection for Industrial and Railway Systems
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.
Typical Applications
- Railway and rolling stock electrical systems.
- Industrial control panels.
- Three-phase auxiliary circuits.
- Automation and signalling equipment.
- Machine control systems.
- Electrical distribution and protection panels.
Technical Specifications
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| Current | 1.6 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| 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 |
Frequently Asked Questions
What is the ABB S203MT-K1.6 used for?
The ABB S203MT-K1.6 protects low-current three-phase circuits against overloads and short circuits in railway, traction and industrial control applications.
What is the rated current of this circuit breaker?
The S203MT-K1.6 has a rated current of 1.6 A.
How many poles does the S203MT-K1.6 have?
This miniature circuit breaker features a 3-pole configuration.
What does the K curve tripping characteristic provide?
The K characteristic is designed for circuits with moderate inrush currents, helping avoid nuisance tripping while maintaining reliable overload and short-circuit protection.
What is the rated breaking capacity?
The ABB S203MT-K1.6 has a rated short-circuit capacity of 10 kA.
Trusted by Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by electrical engineers, machine builders and railway specialists for dependable protection in demanding industrial and transport applications.
