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ABB S202M-K4UC MCB – 2P – K Curve – 4A – 10kA
ABB S202M-K4UC 2-pole 4 A K curve miniature circuit breaker for AC and DC applications with 10 kA breaking capacity for industrial circuit protection.
£185.69
Why Choose the ABB S202M-K4UC Miniature Circuit Breaker?
The ABB S202M-K4UC is a high performance 2-pole miniature circuit breaker (MCB) designed to provide dependable overload and short circuit protection for both AC and DC electrical installations. Part of the proven ABB S200M UC series, it combines a high breaking capacity with universal current capability, making it ideal for industrial automation, commercial installations and control panel applications.
The K curve tripping characteristic makes this circuit breaker particularly suitable for protecting circuits with moderate inrush currents, including motors, transformers and other inductive loads. Its compact modular construction allows fast installation while remaining fully compatible with ABB System pro M compact accessories for expanded functionality.
With a 4 A rated current, 2-pole configuration and robust construction, the ABB S202M-K4UC delivers reliable circuit protection while helping to maximise system safety and operational uptime in demanding electrical environments.
Key Advantages
- High performance 2-pole miniature circuit breaker.
- 4 A rated current for dependable circuit protection.
- K curve characteristic designed for inductive loads.
- Suitable for both AC and DC applications.
- 10 kA breaking capacity at 440 V AC.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200M UC series.
- 2-pole (2P) configuration.
- 4 A rated current.
- K characteristic tripping curve.
- Suitable for universal AC/DC applications.
- 35 mm DIN rail mounting.
- Failsafe bi-directional cylinder-lift terminals.
- Reliable overload and short circuit protection.
Reliable Protection for Industrial Power Systems
The ABB S202M-K4UC automatically disconnects electrical circuits whenever overloads or short circuits occur, protecting connected equipment and helping reduce downtime. Its K curve characteristic is optimised for applications with higher starting currents, making it well suited to motors, transformers and inductive equipment.
As part of ABB's System pro M compact range, the S200M UC series delivers reliable performance, simple installation and extensive international approvals, making it a trusted solution for electrical engineers, machine builders and OEM manufacturers worldwide.
Typical Applications
- Industrial control panels.
- Motor starter circuits.
- Transformer protection.
- Machine building and OEM equipment.
- Industrial automation systems.
- AC and DC power distribution.
Technical Specifications
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| Current | 4 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200M UC | |
| Model | S202M-K4UC | |
| Product ID | 2CDS272061R0337 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 4 A | |
| Number of poles | 2P | |
| Tripping characteristic | K | |
| Rated operational voltage | Up to 440 V AC / DC | |
| Breaking capacity | 10 kA (440 V AC) | |
| Frequency | 50 / 60 Hz | |
| Standards | IEC/EN 60947-2, UL 1077, CSA 22.2 No. 235 | |
| Mounting type | 35 mm DIN rail | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| Weight | Approx. 0.25 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S202M-K4UC used for?
The S202M-K4UC protects AC and DC electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
What does the K tripping characteristic provide?
The K curve is designed for circuits with moderate inrush currents, making it suitable for motors, transformers and other inductive loads.
Can this MCB be used on both AC and DC supplies?
Yes. The ABB S200M UC range is designed for universal operation on both AC and DC electrical systems.
How many poles does this circuit breaker have?
The ABB S202M-K4UC features a 2-pole configuration for protecting two conductors simultaneously.
How is the S202M-K4UC installed?
The breaker is designed for installation onto a standard 35 mm DIN rail inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB S200M UC miniature circuit breakers are trusted by OEMs, panel builders and industrial engineers for dependable circuit protection, excellent breaking performance and reliable operation in demanding electrical installations.
