Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S201-K1NA MCB – S200P – 1+NP – K – 1A
ABB S201-K1NA 1P+N miniature circuit breaker with 1 A rated current and K characteristic tripping curve for commercial, industrial and OEM electrical protection.
£46.97
Why Choose the ABB S201-K1NA Miniature Circuit Breaker?
The ABB S201-K1NA is a compact and dependable 1P+N miniature circuit breaker (MCB) engineered to provide reliable overload and short circuit protection for commercial, industrial and OEM electrical installations. As part of the trusted ABB System pro M Compact S200 series, it combines excellent current limiting performance with a compact DIN rail mounted design suitable for modern electrical distribution systems.
The S201-K1NA incorporates ABB's proven delayed thermal tripping mechanism for overload protection together with an electromechanical tripping mechanism for short circuit protection. Its 1P+N configuration switches both the phase and neutral conductors, providing enhanced circuit isolation whilst remaining fully compatible with ABB System pro M Compact accessories.
Featuring a 1 A rated current, K characteristic tripping curve and 1P+N configuration, this miniature circuit breaker is particularly suitable for transformers, control circuits, instrumentation, motors and other inductive loads where higher inrush currents are expected.
Key Advantages
- Compact 1P+N miniature circuit breaker.
- 1 A rated current for precise circuit protection.
- K characteristic tripping curve suitable for inductive loads.
- Current limiting design helps minimise fault energy.
- Compatible with ABB System pro M Compact accessories.
- Suitable for commercial, industrial and OEM electrical installations.
Key Features
- ABB System pro M Compact S200 series.
- 1 A rated current.
- 1P+N configuration.
- K characteristic thermal magnetic trip curve.
- Thermal overload and electromechanical short circuit protection.
- Rated operational voltage up to 230 V AC.
- 6 kA breaking capacity to IEC/EN 60898-1.
- DIN rail mounting with screw terminals.
Reliable Protection for Inductive Circuits
The ABB S201-K1NA automatically disconnects electrical circuits during overload and short circuit conditions, helping protect wiring, connected equipment and downstream devices from damage. Its current limiting characteristics contribute to improved installation safety and dependable long term operation.
The K characteristic tripping curve is intended for circuits with higher inrush currents, making this miniature circuit breaker an excellent choice for transformers, relays, solenoids, motor control circuits and other inductive applications.
Typical Applications
- Industrial control panels.
- Transformer protection.
- Motor control circuits.
- Instrumentation systems.
- OEM machinery.
- Commercial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Poles | 1-pole + N | |
|---|---|---|
| Current | 1 A | |
| Phase | Single Phase | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S201-K1NA | |
| Manufacturer Part Number | 2CDS251103R0217 | |
| Product type | Miniature circuit breaker | |
| Rated current | 1 A | |
| Configuration | 1P+N | |
| Tripping characteristic | K | |
| Rated operational voltage | 230 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 6 kA | |
| Rated insulation voltage | 440 V | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201-K1NA used for?
It provides overload and short circuit protection for commercial and industrial electrical circuits, particularly those with higher inrush currents.
What does the K tripping characteristic mean?
The K characteristic is designed for circuits with higher inrush currents, making it suitable for transformers, motors, relays and other inductive loads.
What is the rated current?
The ABB S201-K1NA has a 1 A rated current.
What does the 1P+N configuration mean?
The device protects the phase conductor whilst switching both the phase and neutral conductors for improved circuit isolation.
Can it be mounted on a DIN rail?
Yes. The S201-K1NA is designed for standard DIN rail installation and is compatible with ABB System pro M Compact accessories.
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, reliable performance and long service life.
