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ABB S201-K8NA MCB – 1P+N – K Curve – 8A – 6kA
ABB S201-K40NA miniature circuit breaker featuring a 40 A rated current, K characteristic tripping curve, 1P+N configuration and 6 kA breaking capacity for reliable circuit protection of inductive loads.
£46.97
Why Choose the ABB S201-K40NA Miniature Circuit Breaker?
The ABB S201-K40NA is a high quality miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series, designed to provide reliable overload and short circuit protection for electrical installations. Featuring a K characteristic tripping curve, it is particularly suited to circuits with inductive loads and higher starting currents, including motors, transformers and industrial control equipment.
Built to ABB's recognised engineering standards, the S201-K40NA combines thermal overload protection with magnetic short circuit protection to help safeguard wiring, equipment and downstream devices. Its compact modular format supports straightforward installation in distribution boards, control panels and machine cabinets.
With a 40 A rated current, 1P+N configuration and a 6 kA breaking capacity, this DIN rail mounted miniature circuit breaker delivers dependable circuit protection for commercial and industrial applications requiring precise, robust performance.
Key Advantages
- Reliable ABB System pro M Compact S200 miniature circuit breaker.
- 40 A rated current for higher load circuit protection.
- K curve tripping characteristic suitable for inductive loads.
- 1P+N configuration providing phase and neutral switching.
- 6 kA breaking capacity for dependable fault protection.
- Compact DIN rail mounted design for quick installation.
Key Features
- ABB S201-K40NA miniature circuit breaker.
- System pro M Compact S200 series.
- 40 A rated current.
- K characteristic tripping curve.
- 1P+N pole configuration.
- 6 kA breaking capacity.
- Thermal overload and magnetic short circuit protection.
- DIN rail mounting with screw terminals.
Reliable Circuit Protection for Inductive Loads
The ABB S201-K40NA is designed for applications where connected equipment may generate higher inrush currents during switching or start-up. The K characteristic helps reduce unwanted nuisance tripping while maintaining effective protection against overloads and short circuits.
Its compact 1P+N design makes it suitable for modern electrical distribution systems where space saving, reliable protection and easy installation are important. It is a practical choice for panel builders, electricians and maintenance engineers working with industrial and commercial equipment.
Typical Applications
- Industrial control panels.
- Motor and transformer circuits.
- Inductive load protection.
- Commercial distribution boards.
- Machinery and automation systems.
- Electrical panel building and maintenance.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Current | 8 A | |
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 6 kA | |
| Model | S201-K8NA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Product ID | 2CDS251103R0407 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 40 A | |
| Tripping characteristic | K | |
| Number of poles | 1P+N | |
| Rated AC voltage | 230 / 400 V AC | |
| Rated DC voltage | 12 V DC | |
| Breaking capacity | 6 kA | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.23 kg | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL1077 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201-K40NA used for?
The S201-K40NA is used to protect electrical circuits against overloads and short circuits, particularly where inductive loads or higher inrush currents are present.
What is the rated current of this miniature circuit breaker?
This model has a 40 A rated current.
What does the K characteristic tripping curve mean?
The K curve is designed for circuits with inductive loads, helping tolerate normal start-up currents while still providing reliable fault protection.
How is the ABB S201-K40NA installed?
The breaker is designed for secure DIN rail mounting inside electrical distribution boards, consumer units and control panels.
Which standards does the S201-K40NA comply with?
The circuit breaker complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL1077 standards.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers worldwide for dependable circuit protection, compact installation and long term performance across demanding electrical systems.
