Why Choose the ABB S204M-B20UC Miniature Circuit Breaker?
The ABB S204M-B20UC is a robust four-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in AC and DC electrical installations. As part of the established ABB System pro M compact S200M series, it combines flexible AC/DC operation with a high breaking capacity and compact DIN-rail installation.
The S200M UC range is designed for applications requiring protection on both alternating and direct current systems. Its universal-current design supports reliable circuit interruption across AC and DC applications, while the B tripping characteristic provides fast protection for circuits with low inrush current.
With a 20 A rated current, B tripping characteristic, four-pole configuration and 10 kA rated breaking capacity, the S204M-B20UC is suitable for industrial control panels, distribution systems, machinery and other electrical installations where dependable AC/DC circuit protection is required.
Key Advantages
- Compact four-pole miniature circuit breaker designed for AC/DC applications.
- 20 A rated current suitable for control, distribution and industrial circuits.
- B tripping characteristic suitable for circuits with low inrush currents.
- 10 kA rated breaking capacity for effective short-circuit protection.
- Suitable for both AC and DC electrical systems.
- Practical DIN-rail mounting for control panels and distribution boards.
- Compatible with ABB System pro M compact accessory solutions.
Key Features
- ABB System pro M compact S200M series.
- 4-pole configuration.
- 20 A rated current.
- B tripping characteristic.
- 10 kA rated breaking capacity.
- UC version suitable for AC and DC circuits.
- Compact modular design for electrical distribution and control applications.
- Clear contact position indication for straightforward circuit status identification.
- DIN-rail mounting for fast and secure installation.
- Compatible with ABB System pro M compact accessory solutions.
Reliable AC and DC Circuit Protection
The ABB S204M-B20UC provides dependable circuit protection for both alternating and direct current applications. The UC configuration allows the device to be used across AC and DC electrical systems while retaining the compact modular format of the ABB System pro M compact range.
The four-pole configuration enables protection of multiple conductors within a compact installation footprint. Its B characteristic is designed for circuits where lower inrush currents are expected, while the 10 kA breaking capacity provides effective interruption of short-circuit currents within the specified application conditions.
Typical Applications
- Industrial control panels and electrical distribution boards.
- AC and DC control circuits.
- Industrial machinery and automation equipment.
- Power distribution and auxiliary circuits.
- Electrical installations requiring four-pole circuit protection.
- Lighting, resistive and general-purpose circuits with low inrush current.
