Why Choose the ABB S204M-B50UC Miniature Circuit Breaker?
The ABB S204M-B50UC is a four-pole miniature circuit breaker from the ABB System pro M compact S200M series, providing dependable overcurrent and short-circuit protection for low-voltage electrical circuits.
With a rated current of 50 A, B tripping characteristic and 10 kA rated breaking capacity, this UC version is designed for applications requiring protection across both AC and DC supplies.
The four-pole configuration and DIN-rail mounting make the S204M-B50UC suitable for modular distribution boards, control panels and other electrical installations where coordinated circuit protection and straightforward installation are required.
Key Advantages
- ABB System pro M compact S200M series miniature circuit breaker.
- 50 A rated current for circuit protection applications requiring this current rating.
- B tripping characteristic for applications requiring the defined response of a B-characteristic MCB.
- 10 kA rated breaking capacity for effective interruption of specified fault currents.
- Four-pole configuration provides coordinated protection and switching across four poles.
- UC version supports both AC and DC supplies.
- DIN-rail mounting enables straightforward installation in modular electrical equipment.
- ABB part number 2CDS274061R0505 for reliable product identification and specification matching.
Key Features
- Product type: miniature circuit breaker (MCB).
- Series: ABB System pro M compact S200M.
- Model: S204M-B50UC.
- Four-pole configuration.
- B tripping characteristic.
- Rated current: 50 A.
- Rated breaking capacity: 10 kA.
- AC and DC supply compatibility.
- DIN-rail mounting.
- Manufacturer part number: 2CDS274061R0505.
Reliable Overcurrent and Short-Circuit Protection
The ABB S204M-B50UC automatically disconnects the electrical supply when an overload or short circuit causes excessive current, helping protect conductors and connected equipment from damage caused by overcurrent conditions.
Its B tripping characteristic provides a defined thermal and magnetic tripping response for applications where a B-characteristic MCB is specified. The UC version supports use with both AC and DC supplies, providing flexibility across suitable low-voltage circuit applications.
Typical Applications
- Low-voltage electrical distribution systems.
- Industrial control panels and automation equipment.
- Commercial and building electrical installations.
- Distribution boards and modular switchgear.
- Control and auxiliary circuits.
- Electrical systems requiring AC and DC circuit protection.
