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2CCF020033R0001 ABB S804S-UCB2.5 4-Pole 2.5 A Type B 50 kA High Performance MCB
ABB S804S-UCB2.5 is a 2.5 A four-pole UC-B high-performance miniature circuit breaker with 50 kA breaking capacity for dependable overload and short-circuit protection in demanding electrical applications.
£289.45
Why Choose the ABB S804S-UCB2.5 High Performance MCB?
The ABB S804S-UCB2.5 is a high-performance 4-pole miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection in demanding electrical installations. As part of the ABB S800 high-performance circuit breaker range, it combines a compact modular design with a high breaking capacity for industrial and commercial distribution systems.
This circuit breaker features a UC-B tripping characteristic and a rated current of 2.5 A. The S800S-UC range is specifically suited to direct-current applications where high interruption capability, reliable circuit isolation and effective protection are required.
With four protected poles and a rated ultimate short-circuit breaking capacity of 50 kA, the S804S-UCB2.5 provides robust circuit protection for installations where conventional miniature circuit breakers may not provide sufficient fault-current capability. Its modular construction makes it suitable for integration into electrical distribution boards, control panels and industrial power systems.
Key Advantages
- High-performance 4-pole miniature circuit breaker for demanding electrical protection applications.
- 2.5 A rated current for low-current circuits and equipment.
- High 50 kA breaking capacity for installations with substantial prospective fault currents.
- UC-B tripping characteristic designed for effective circuit protection.
- Provides both overload and short-circuit protection.
- Suitable for DC applications within the S800S-UC range.
Key Features
- ABB S800S high-performance MCB series.
- 4-pole configuration with four protected poles.
- 2.5 A rated current.
- UC-B / Type B characteristic.
- 50 kA ultimate short-circuit breaking capacity.
- Thermal protection against overload conditions.
- Electromagnetic protection against short circuits.
- Contact position indication for ON / OFF / TRIP status.
- Modular construction for electrical distribution and control systems.
High-Performance Circuit Protection
Miniature circuit breakers such as the ABB S804S-UCB2.5 protect electrical circuits against excessive current caused by overloads and short circuits. Thermal and electromagnetic tripping mechanisms provide automatic interruption when abnormal operating conditions occur, helping protect cables, equipment and electrical distribution infrastructure.
The ABB S800S range is engineered for applications requiring substantially higher breaking capacity than conventional modular circuit breakers. The S804S-UCB2.5 combines four-pole switching, a low 2.5 A current rating and high fault interruption capability, making it particularly useful for demanding DC distribution and industrial control applications.
Typical Applications
- Industrial DC distribution systems.
- Electrical control and automation panels.
- Low-current auxiliary and control circuits.
- Industrial machinery and equipment protection.
- Commercial and industrial electrical distribution.
- Installations requiring high short-circuit breaking capacity.
Technical Specifications
| Series | S800S |
|---|---|
| ABB order code | 2CCF020033R0001 |
| Product type | High-performance miniature circuit breaker (MCB) |
| Rated current | 2.5 A |
| Number of poles | 4 |
| Protected poles | 4 |
| Tripping characteristic | UC-B / Type B |
| Ultimate short-circuit breaking capacity (Icu) | 50 kA |
| Application | DC circuit protection |
| Reference standard | IEC/EN 60947-2 |
| Protection rating | IP20 |
| Contact position indication | ON / OFF / TRIP |
| Operating temperature | -25 to +60 °C |
| Impulse withstand voltage (Uimp) | 8 kV |
| Terminal type | Screw terminals |
| Dimensions (H × W × D) | approx. 95 × 106 × 82.5 mm |
| Weight | approx. 0.98 kg |
Frequently Asked Questions
What is the ABB S804S-UCB2.5 used for?
The ABB S804S-UCB2.5 is a high-performance miniature circuit breaker designed to protect electrical circuits against overloads and short circuits, particularly in demanding DC applications.
What is the rated current of the S804S-UCB2.5?
The circuit breaker has a rated current of 2.5 A.
How many poles does the ABB S804S-UCB2.5 have?
The S804S-UCB2.5 is a 4-pole circuit breaker with all four poles protected.
What is the breaking capacity of the S804S-UCB2.5?
The S804S-UCB2.5 provides a rated ultimate short-circuit breaking capacity of up to 50 kA, making it suitable for installations with high prospective fault currents.
What tripping characteristic does this MCB use?
The S804S-UCB2.5 uses the ABB UC-B characteristic, corresponding to its Type B protection configuration within the S800S-UC range.
Trusted by Electrical Professionals Worldwide
ABB S800 high-performance circuit breakers are used in commercial and industrial electrical systems where dependable overload and short-circuit protection, compact modular construction and high fault interruption capability are required.
