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ABB S202MT-K3H01 MCB – S200M – 2P – K – 3A
ABB S202MT-K3H01 two-pole 3 A miniature circuit breaker with K tripping characteristic and 10 kA short circuit capacity for railway, traction and industrial electrical protection.
Why Choose the ABB S202MT-K3H01 Miniature Circuit Breaker?
The ABB S202MT-K3H01 is a robust two-pole miniature circuit breaker (MCB) designed for dependable circuit protection in railway, traction and industrial electrical applications. Part of the specialist ABB S200MT series, it provides reliable overload and short circuit protection for control circuits, signalling equipment and automation systems.
This circuit breaker features a K tripping characteristic, making it suitable for circuits with higher inrush currents such as motors, transformers, coils and inductive loads. Its current limiting construction helps reduce fault energy during short circuit events, supporting safer operation and improved protection of connected equipment.
With a 3 A rated current, two-pole configuration and 10 kA short circuit capacity, the S202MT-K3H01 is ideal for DIN rail installation in railway equipment, industrial panels, machinery control systems and specialist low-current electrical distribution circuits.
Key Advantages
- Two-pole miniature circuit breaker for railway and industrial applications.
- 3 A rated current with K tripping characteristic.
- 10 kA short circuit capacity for dependable fault protection.
- Designed for circuits with higher inrush currents.
- Current limiting design helps minimise equipment damage during faults.
- Compatible with the ABB System pro M Compact accessory range.
Key Features
- ABB S200MT miniature circuit breaker series.
- 3 A rated current.
- Two protected poles.
- K tripping characteristic for inductive loads.
- 10 kA rated short circuit capacity.
- Thermal magnetic protection against overloads and short circuits.
- Suitable for 50 / 60 Hz electrical systems.
- DIN rail mounting with secure screw terminals.
Reliable Protection for Railway and Industrial Systems
The ABB S202MT-K3H01 uses both thermal and electromagnetic tripping mechanisms to protect electrical circuits against overloads and short circuits. The thermal trip responds to sustained overload conditions, while the electromagnetic trip provides fast disconnection during short circuit faults.
Its K curve characteristic makes it especially suitable for circuits with elevated inrush currents, helping reduce nuisance tripping while maintaining dependable protection. The S200MT range is designed for demanding railway and traction environments where compact installation, durability and long-term reliability are essential.
Typical Applications
- Railway and rolling stock electrical systems.
- Traction control equipment.
- Industrial control panels.
- Motor, transformer and coil protection.
- Automation and machine building.
- Low-current control and signalling circuits.
Technical Specifications
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| Current | 3 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S202MT-K3H01 | |
| Product ID | 2CDO272006R0317 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 3 A | |
| Number of poles | 2 | |
| Tripping characteristic | K | |
| Rated operational voltage | 400 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| Weight | Approx. 0.25 kg | |
| EAN | 4016779768580 |
Frequently Asked Questions
What is the ABB S202MT-K3H01 used for?
It is used to protect two-pole electrical circuits against overloads and short circuits in railway, traction and industrial control applications.
What does the K tripping characteristic provide?
The K characteristic is designed for circuits with higher inrush currents, making it suitable for motors, transformers, coils and other inductive loads.
How many poles does this circuit breaker have?
The ABB S202MT-K3H01 is a two-pole miniature circuit breaker.
What is the rated current of this MCB?
This miniature circuit breaker has a rated current of 3 A.
Where can the S202MT-K3H01 be installed?
It is designed for mounting on a standard 35 mm DIN rail inside electrical distribution boards, industrial control panels and suitable railway or industrial enclosures.
Trusted for Railway and Industrial Protection
ABB S200MT miniature circuit breakers are trusted by railway engineers, panel builders and industrial maintenance teams for reliable circuit protection, compact installation and long service life in demanding environments.
