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2CCS863002R1635 ABB S803S-UCB63-R High Performance MCB 50kA 3P Type B 63A
ABB S803S-UCB63-R is a 63 A three-pole UC-B high-performance miniature circuit breaker with ring-terminal connections and breaking capacity up to 50 kA for demanding AC/DC circuit protection applications.
£251.97
Why Choose the ABB S803S-UCB63-R High Performance MCB?
The ABB S803S-UCB63-R is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding electrical distribution systems. As part of the ABB S800S high-performance circuit breaker range, it combines a rated current of 63 A, UC-B tripping characteristic and high short-circuit breaking capability for industrial and infrastructure applications.
The S803S-UCB63-R uses a thermal release mechanism for dependable overload protection together with an electromagnetic release mechanism for rapid short-circuit protection. ABB's S800S-UC range is specifically designed for AC/DC applications, providing high-performance circuit protection where substantial prospective fault currents may be present.
With a three-pole configuration, 63 A rated current and breaking capacity of up to 50 kA, the S803S-UCB63-R provides robust protection for demanding electrical systems. The -R version features ring-terminal connections, while its compact modular construction supports straightforward integration into suitable switchboards, distribution systems and industrial control equipment.
Key Advantages
- High-performance three-pole miniature circuit breaker for demanding electrical protection applications.
- 63 A rated current for industrial distribution and control circuits.
- UC-B characteristic from ABB's dedicated S800S AC/DC circuit protection range.
- High short-circuit breaking capability of up to 50 kA.
- Thermal and electromagnetic protection against overloads and short circuits.
- Ring-terminal connection for secure electrical termination.
- Three protected poles for simultaneous circuit protection.
- Part of ABB's established S800 high-performance circuit breaker platform.
Key Features
- ABB S800S high-performance MCB series.
- 63 A rated current.
- 3-pole configuration.
- UC-B tripping characteristic.
- High short-circuit breaking capability of up to 50 kA.
- Designed for AC/DC circuit protection applications.
- Thermal overload and electromagnetic short-circuit protection.
- Ring-terminal electrical connections.
- IP20 protection rating.
- Accessory-compatible design for flexible electrical system integration.
High-Performance Circuit Protection for Demanding Installations
High-performance miniature circuit breakers such as the ABB S803S-UCB63-R automatically disconnect protected circuits when excessive current results from an overload or short circuit. The thermal release responds to sustained overload conditions, while the electromagnetic release provides rapid interruption during short-circuit faults.
The S800S platform is engineered for installations requiring high breaking capacity and rapid arc extinction. The S803S-UCB63-R combines these characteristics with ABB's UC-B design for AC/DC applications, making it suitable for demanding industrial distribution, control and infrastructure systems.
Typical Applications
- Industrial AC/DC electrical distribution systems.
- Industrial control panels and switchboards.
- DC auxiliary and control circuits.
- Manufacturing and production equipment.
- Automation and machinery electrical systems.
- Infrastructure electrical installations.
- Applications requiring high short-circuit breaking capability.
Technical Specifications
| Product group | S800 / S800P / S750 MCB |
|---|---|
| Series | S800S High Performance MCBs |
| Alternative SKU | S803SUCB63R |
| ABB order code | 2CCS863002R1635 |
| EAN | 7612271208561 |
| Product type | High-performance miniature circuit breaker |
| Number of poles | 3 |
| Protected poles | 3 |
| Rated current | 63 A |
| Tripping characteristic | UC-B |
| Breaking capacity | up to 50 kA |
| Voltage type | AC/DC |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Protection rating | IP20 |
| Energy limiting class | 3 |
| Pollution degree | 2 |
| Operating ambient temperature | -25 to +60 °C |
| Connection type | Ring terminal |
| Installation depth | 82.5 mm |
| Width | 4.5 modules |
| Power loss | 18.6 W |
| Weight | approx. 0.735 kg |
| Standard | IEC/EN 60947-2 |
| Protection mechanisms | Thermal overload and electromagnetic short-circuit tripping |
Frequently Asked Questions
What is the ABB S803S-UCB63-R used for?
The ABB S803S-UCB63-R is a high-performance three-pole MCB designed to protect suitable AC/DC electrical circuits against overloads and short circuits in demanding industrial and infrastructure applications.
What is the rated current of the S803S-UCB63-R?
The circuit breaker has a rated current of 63 A.
What tripping characteristic does the S803S-UCB63-R use?
The S803S-UCB63-R uses ABB's UC-B characteristic and forms part of the S800S range designed for high-performance AC/DC circuit protection.
What is the breaking capacity of the ABB S803S-UCB63-R?
The S803S-UCB63-R provides high short-circuit breaking capability of up to 50 kA, making it suitable for installations where substantial prospective fault currents may occur.
What type of connection does the S803S-UCB63-R use?
The -R version uses ring-terminal connections, providing secure electrical termination for compatible installations.
Trusted High-Performance Protection from ABB
ABB S800 high-performance circuit breakers provide dependable overload and short-circuit protection for demanding electrical systems, combining high breaking capability, rapid fault interruption and dedicated solutions for AC/DC applications.
