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ABB S201MT-K8NA MCB – S200M – 1P+N – K – 8A
ABB S201MT-K8NA miniature circuit breaker from the S200MT range featuring an 8 A rated current, K tripping characteristic and 1P+N configuration for reliable traction, railway and industrial circuit protection.
£91.04
Why Choose the ABB S201MT-K8NA Miniature Circuit Breaker?
The ABB S201MT-K8NA is a specialist miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in traction, railway and industrial electrical systems. Part of the ABB S200MT series, it is built for demanding applications where dependable circuit protection and robust installation performance are essential.
With an 8 A rated current and K tripping characteristic, the S201MT-K8NA is particularly suited to circuits with higher inrush currents, including inductive loads, motors, transformers and control equipment. Its 1P+N configuration enables live conductor protection with neutral switching for single-phase electrical installations.
The ABB S201MT-K8NA features a compact modular design, secure screw terminals and DIN rail mounting for efficient installation inside electrical distribution boards, railway cabinets and industrial control panels. Its high breaking capacity and robust construction make it a dependable choice for professional circuit protection.
Key Advantages
- Reliable miniature circuit breaker for traction and industrial applications.
- 8 A rated current for low to medium load circuit protection.
- K characteristic suitable for inductive loads and higher inrush currents.
- 1P+N configuration for live protection and neutral switching.
- High short-circuit protection for demanding installations.
- Compact DIN rail mounted design for panel and cabinet installation.
Key Features
- ABB S200MT miniature circuit breaker series.
- 8 A rated current.
- K tripping characteristic.
- 1P+N pole configuration.
- 10 kA rated short-circuit capacity.
- Designed especially for traction and railway applications.
- Thermal magnetic trip mechanism for overload and short-circuit protection.
- Compact modular housing with secure screw terminals.
Reliable Protection for Inductive Loads
Miniature circuit breakers such as the ABB S201MT-K8NA automatically disconnect circuits when overload or short-circuit conditions occur. This helps protect cables, electrical equipment and control systems from damage while improving installation safety.
The K characteristic is designed to tolerate higher starting currents than standard curves, reducing nuisance tripping in circuits with inductive loads. This makes the S201MT-K8NA suitable for motor circuits, transformers, control gear and specialist traction installations.
Typical Applications
- Railway and traction electrical systems.
- Industrial control panels and automation equipment.
- Motor and transformer circuits.
- Inductive load protection.
- Distribution boards and machine panels.
- Commercial and industrial electrical installations.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-K8NA | |
| Manufacturer part number | 2CDS271446R0407 | |
| Product type | Miniature circuit breaker | |
| Rated current | 8 A | |
| Tripping characteristic | K | |
| Number of poles | 1P+N | |
| Rated voltage | 230 / 400 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short-circuit capacity | 10 kA | |
| Rated ultimate short-circuit breaking capacity | 15 kA | |
| Rated service short-circuit breaking capacity | 11.2 kA | |
| Rated impulse withstand voltage | 4 kV | |
| Dielectric test voltage | 2 kV | |
| Energy limiting class | 3 | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail TH35 | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MT-K8NA used for?
The ABB S201MT-K8NA is used to protect electrical circuits against overloads and short circuits, particularly in railway, traction, industrial and control panel applications.
What is the rated current of the S201MT-K8NA?
This miniature circuit breaker has a rated current of 8 A.
What does K characteristic mean?
A K characteristic breaker is designed for circuits with higher inrush currents, making it suitable for inductive loads such as motors, transformers and control equipment.
What pole configuration does this MCB have?
The ABB S201MT-K8NA has a 1P+N configuration, providing live conductor protection with neutral switching.
How is the ABB S201MT-K8NA installed?
The breaker is designed for standard DIN rail mounting inside electrical distribution boards, control panels and cabinet assemblies.
Trusted by Electrical Engineers Worldwide
ABB S200MT miniature circuit breakers are widely specified by railway engineers, panel builders and industrial electrical professionals for reliable circuit protection in demanding installations.
