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ABB S202-K20 MCB – S200 – 2P – K – 20A
ABB S202-K20 miniature circuit breaker with 20 A rated current, K characteristic, 2 pole configuration and 6 kA breaking capacity for higher inrush current circuit protection.
£44.80
Why Choose the ABB S202-K20 Miniature Circuit Breaker?
The ABB S202-K20 is a compact and dependable two pole miniature circuit breaker (MCB) designed to provide reliable overload and short circuit protection in residential, commercial and industrial electrical installations. Part of the proven ABB S200 System pro M compact series, it delivers high quality circuit protection in a DIN rail mounted format suitable for distribution boards, control panels and machinery electrical systems.
This miniature circuit breaker features separate thermal and electromagnetic tripping mechanisms to protect circuits from overload currents and short circuit faults. Its current limiting design helps reduce fault energy, supporting improved protection for cables, connected equipment and electrical installations.
With a 20 A rated current, K characteristic tripping curve and 2 pole configuration, the ABB S202-K20 is well suited to circuits with higher inrush currents, including motors, transformers, power supplies and inductive loads. Its compact modular design enables quick installation where reliable two pole circuit protection is required.
Key Advantages
- Compact two pole miniature circuit breaker for electrical distribution and control panels.
- 20 A rated current for reliable circuit protection.
- K curve tripping characteristic suitable for higher inrush current circuits.
- 2 pole configuration for two-pole circuit isolation and protection.
- Current limiting design helps reduce fault energy.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200 miniature circuit breaker series.
- 20 A rated current.
- K characteristic tripping curve.
- 2 pole configuration.
- 6 kA rated short circuit breaking capacity.
- Thermal overload protection.
- Electromagnetic short circuit protection.
- DIN rail mounting for fast installation.
Reliable Protection for Higher Inrush Current Circuits
The ABB S202-K20 automatically disconnects electrical circuits during overload or short circuit conditions, helping protect wiring, control equipment and connected devices. The K characteristic is designed to tolerate higher starting currents, making it suitable for inductive loads such as motors, transformers and power supplies.
As part of ABB’s System pro M compact range, this MCB is designed for reliable performance, simple installation and flexible integration with compatible accessories. Its two pole construction makes it suitable where two conductors require protected switching and isolation within compact electrical assemblies.
Typical Applications
- Motor and transformer circuits.
- Industrial automation panels.
- Commercial distribution boards.
- Power supply protection.
- Machinery control circuits.
- OEM equipment and electrical cabinets.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | S200 | |
| Model | S202-K20 | |
| Product type | Miniature circuit breaker (MCB) | |
| Manufacturer part number | 2CDS252001R0487 | |
| Rated current | 20 A | |
| Tripping characteristic | K | |
| Number of poles | 2 | |
| Number of protected poles | 2 | |
| Rated operational voltage | 400 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 6 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| 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 S202-K20 used for?
It is used to protect electrical circuits against overloads and short circuits in residential, commercial and industrial installations, especially circuits with higher inrush currents.
What is the rated current of this MCB?
The ABB S202-K20 has a 20 A rated current.
What does the K characteristic mean?
The K tripping characteristic is designed for circuits with higher starting currents, making it suitable for motors, transformers, power supplies and other inductive loads.
How many poles does this circuit breaker have?
This model has a 2 pole configuration, making it suitable for two-pole circuit protection and isolation.
How is the ABB S202-K20 installed?
The breaker is designed for installation on a standard DIN rail inside electrical distribution boards, control panels and electrical cabinets.
Trusted by Electrical Engineers Worldwide
ABB S200 miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for compact circuit protection, dependable performance and long service life in modern electrical installations.
