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2CCS864001R1487 ABB S804S-UCK20 20 A 4-Pole Type K High Performance MCB
ABB S804S-UCK20 is a 20 A four-pole Type K high-performance miniature circuit breaker with 50 kA short-circuit interrupting capability for demanding industrial and commercial circuit protection.
£338.31
Why Choose the ABB S804S-UCK20 High Performance MCB?
The ABB S804S-UCK20 is a high-performance four-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding industrial and commercial electrical installations. As part of the ABB S800S high-performance circuit breaker series, it combines a 20 A rated current, Type K tripping characteristic and high breaking capacity for dependable circuit protection.
The S804S-UCK20 is engineered for applications where high prospective fault currents require robust interruption performance. Its 50 kA short-circuit interrupting capability makes it suitable for demanding electrical distribution, machinery and control-panel applications where reliable fault protection is essential.
With four protected poles and a 20 A rated current, the S804S-UCK20 provides multi-pole protection for electrical circuits. Its Type K characteristic is particularly suited to motors and other inductive loads, accommodating temporary starting and inrush currents while maintaining effective protection against sustained overloads and short circuits.
Key Advantages
- High-performance four-pole miniature circuit breaker for demanding electrical installations.
- 20 A rated current for industrial equipment and distribution circuits.
- Type K tripping characteristic particularly suited to motors and inductive loads.
- 50 kA short-circuit interrupting capability for high-fault-level applications.
- Provides combined overload and short-circuit protection.
- Part of ABB's established S800S high-performance MCB range.
Key Features
- ABB S800S high-performance MCB series.
- 4-pole configuration.
- 20 A rated current.
- Type K tripping characteristic.
- 50 kA short-circuit interrupting capability.
- Thermal-magnetic protection against overloads and short circuits.
- Suitable for motor and other inductive-load circuits.
- DIN-rail format for integration into electrical distribution and control panels.
High-Performance Circuit Protection
The ABB S800S range is engineered for electrical installations requiring high short-circuit performance in a compact modular format. The S804S-UCK20 automatically disconnects the protected circuit when an overload or short circuit occurs, helping protect conductors, connected equipment and electrical infrastructure against potentially damaging fault currents.
Its Type K characteristic accommodates the temporary inrush currents associated with motors and other inductive equipment while maintaining dependable overload and short-circuit protection. Combined with its four-pole configuration and high interrupting capability, the S804S-UCK20 is well suited to demanding industrial power, machinery and automation applications.
Typical Applications
- Industrial electrical distribution systems.
- Machinery and automation control panels.
- Motor circuits and industrial equipment.
- Inductive-load circuits with elevated starting currents.
- Commercial and industrial switchboards.
- Applications requiring high short-circuit interrupting capability.
Technical Specifications
| Series | S800S |
|---|---|
| ABB order code | 2CCS864001R1487 |
| Product type | High-performance miniature circuit breaker (MCB) |
| Number of poles | 4 |
| Rated current | 20 A |
| Tripping characteristic | K |
| Short-circuit interrupting capability | 50 kA |
| Protection type | Overload and short-circuit protection |
| Operating principle | Thermal-magnetic |
| Mounting type | DIN rail |
| Standard | UL 489 |
Frequently Asked Questions
What is the ABB S804S-UCK20 used for?
The ABB S804S-UCK20 is a four-pole high-performance miniature circuit breaker designed to protect industrial and commercial electrical circuits against overload and short-circuit currents, particularly where motor or inductive loads are present.
What is the rated current of the S804S-UCK20?
The S804S-UCK20 has a rated current of 20 A.
What breaking capacity does the S804S-UCK20 provide?
The S804S-UCK20 provides a 50 kA short-circuit interrupting capability for demanding electrical installations with high prospective fault currents.
What does the Type K characteristic mean?
The Type K tripping characteristic is particularly suited to motors and inductive loads because it accommodates temporary starting and inrush currents while providing dependable overload and short-circuit protection.
How many poles does the ABB S804S-UCK20 have?
The S804S-UCK20 is a four-pole circuit breaker, providing simultaneous switching and protection across four conductors.
Trusted ABB Circuit Protection
ABB S800S high-performance miniature circuit breakers provide dependable overload and short-circuit protection for demanding industrial, commercial and machinery applications where high interrupting capability is required.
