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2CCF020024R0001 ABB S803S-UCK3 High Performance MCB 3 A 3 Pole
ABB S803S-UCK3 high performance 3 A three-pole K characteristic miniature circuit breaker designed for industrial DC circuit protection with a 50 kA short-circuit breaking capacity.
£298.86
Why Choose the ABB S803S-UCK3 High Performance MCB?
The ABB S803S-UCK3 is a high-performance miniature circuit breaker (MCB) designed to protect electrical cables and circuits against overload and short-circuit conditions in demanding direct-current installations. As part of the ABB S800S-UC high performance MCB series, it combines reliable circuit protection with a high short-circuit breaking capacity for industrial electrical systems.
This three-pole circuit breaker features a K trip characteristic and combines thermal protection against overload with electromechanical protection against short circuits. The S800S-UC series is specifically designed for DC applications and complies with IEC/EN 60947-2, with rapid arc extinction helping to protect the electrical installation during fault conditions.
With a rated current of 3 A, a three-pole configuration and a rated short-circuit breaking capacity of 50 kA, the S803S-UCK3 is suitable for protecting low-current DC circuits where high fault-current performance is required. The three-pole configuration provides a rated breaking capacity of up to 50 kA at 750 V DC.
Key Advantages
- High-performance miniature circuit breaker designed for industrial DC applications.
- 3 A rated current suitable for low-current circuit protection.
- Three-pole configuration for DC electrical systems.
- 50 kA rated short-circuit breaking capacity for high fault-current protection.
- K characteristic provides a defined protection response for suitable loads.
- Thermal and electromechanical release mechanisms provide protection against overload and short circuit.
- Fast arc extinction helps protect the installation during fault conditions.
- Compatible with an extensive range of ABB S800 series accessories.
Key Features
- ABB S800S-UC high performance MCB series.
- 3 A rated current.
- K trip characteristic.
- Three-pole design.
- 50 kA rated short-circuit breaking capacity.
- 750 V DC rated breaking capacity for three-pole configuration.
- Thermal release for overload protection.
- Electromechanical release for short-circuit protection.
- Current limiting class 3.
- Overvoltage category III.
- Pollution degree 2.
- Additional equipment and accessories can be fitted.
Reliable Circuit Protection for Industrial DC Systems
High-performance miniature circuit breakers such as the ABB S803S-UCK3 provide dependable protection against electrical overloads and short circuits. The thermal release responds to sustained overcurrent conditions, while the electromechanical release provides rapid operation during short-circuit faults.
The S800S-UC series is designed for industrial DC installations where a high short-circuit breaking capacity is required. Its three-pole configuration, K characteristic and high fault-current performance make the S803S-UCK3 suitable for demanding electrical distribution, control and protection systems.
Typical Applications
- Industrial DC electrical distribution systems.
- Control and automation equipment.
- Industrial machinery and electrical panels.
- DC control circuits and auxiliary supplies.
- Electrical distribution and protection systems.
- Industrial installations requiring high short-circuit protection.
Technical Specifications
| Series | S800S-UC / S800 high performance MCB |
|---|---|
| ABB order code | 2CCF020024R0001 |
| Product type | High performance miniature circuit breaker |
| Rated current | 3 A |
| Trip characteristic | K |
| Number of poles | 3 |
| Voltage type | DC |
| Rated short-circuit breaking capacity | 50 kA |
| Rated breaking capacity | 50 kA at 750 V DC for three-pole configuration |
| Protection | Overload and short circuit |
| Release mechanism | Thermal and electromechanical |
| Current limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 2 |
| Rated insulation voltage | 1500 V |
| Rated impulse withstand voltage | 8 kV |
| Mounting type | DIN rail / electrical distribution mounting |
| Width | 4.5 module units |
| Installation depth | 82.5 mm |
| Power loss | 7.2 W |
| Operating ambient temperature | -40 to 70 °C |
| Weight | 0.74 kg |
Frequently Asked Questions
What is the ABB S803S-UCK3 used for?
The ABB S803S-UCK3 is a high-performance three-pole miniature circuit breaker used to protect electrical circuits and cables against overload and short-circuit conditions, particularly in industrial DC applications.
What is the rated current of the S803S-UCK3?
The S803S-UCK3 has a rated current of 3 A.
What trip characteristic does the S803S-UCK3 have?
The S803S-UCK3 uses a K characteristic for its circuit protection response.
What is the short-circuit breaking capacity of the S803S-UCK3?
The S803S-UCK3 has a rated short-circuit breaking capacity of 50 kA, with the three-pole configuration rated for 50 kA at 750 V DC.
How many poles does the ABB S803S-UCK3 have?
The S803S-UCK3 is a three-pole high-performance miniature circuit breaker designed for direct-current circuit protection.
Trusted by Industrial Electrical Engineers
ABB S800S-UC high performance circuit breakers provide reliable overload and short-circuit protection for demanding industrial DC installations where high fault-current performance is required.
