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2CCS861001R0407 ABB S801S-K8 High Performance MCB 50kA 1P Type K 8A
ABB S801S-K8 high-performance 8 A single-pole Type K miniature circuit breaker with a maximum 50 kA breaking capacity for industrial overload and short-circuit protection.
£69.24
Why Choose the ABB S801S-K8 High Performance MCB?
The ABB S801S-K8 is a high-performance single-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding industrial electrical installations. Part of the ABB S800S high-performance circuit breaker range, this device combines an 8 A rated current, Type K tripping characteristic and exceptionally high short-circuit breaking capability.
The S801S-K8 uses two complementary tripping mechanisms: a thermal mechanism provides protection against sustained overload currents, while an electromechanical mechanism responds rapidly to short circuits. Its current-limiting design and fast arc extinction help reduce the energy released during fault conditions, supporting dependable protection of downstream equipment and electrical infrastructure.
With a maximum breaking capacity of 50 kA at 240/415 V AC, a compact single-pole format and interchangeable cage terminal, the S801S-K8 is particularly well suited to demanding industrial circuits, including applications involving motors and other loads where a Type K characteristic is appropriate. ABB order code 2CCS861001R0407 identifies this specific 8 A model.
Key Advantages
- High-performance 8 A miniature circuit breaker for demanding electrical protection.
- Type K tripping characteristic suitable for circuits with higher starting or inrush currents.
- Maximum breaking capacity of 50 kA at 240/415 V AC.
- Thermal overload and electromechanical short-circuit tripping mechanisms.
- Current-limiting design with rapid arc extinction for effective fault protection.
- Compact single-pole construction for industrial distribution and control equipment.
- Interchangeable cage terminal simplifies installation and servicing.
- Suitable for industrial applications requiring high fault-current capability.
Key Features
- ABB S800S high-performance MCB series.
- 8 A rated current.
- 1-pole configuration.
- Type K tripping characteristic.
- Maximum short-circuit breaking capacity of 50 kA at 240/415 V AC.
- Rated operational voltage up to 400 V AC according to IEC 60947-2.
- Rated operational voltage of 125 V DC according to IEC 60947-2.
- 690 V rated insulation voltage.
- 8 kV rated impulse withstand voltage.
- Thermal and electromechanical tripping mechanisms.
- IP20 protection rating.
- Interchangeable cage terminal connection.
- DIN rail mounting for straightforward panel installation.
Reliable High-Performance Circuit Protection
Miniature circuit breakers such as the ABB S801S-K8 automatically disconnect a circuit when excessive current is caused by an overload or short circuit. The thermal trip responds to sustained overload conditions, while the electromechanical trip provides rapid operation when a high short-circuit current occurs.
The S800S range is engineered for applications requiring high fault-breaking performance. The Type K characteristic makes the S801S-K8 particularly useful where normal operating loads can produce higher starting currents, while its current-limiting operation and rapid arc extinction help minimise the effects of short-circuit energy on protected equipment.
Typical Applications
- Industrial electrical distribution systems.
- Motor and machinery circuits.
- Industrial control panels and switchgear.
- Automation and production equipment.
- Circuits with higher starting or inrush currents.
- Branch-circuit overload and short-circuit protection.
- High fault-level industrial electrical installations.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Series | S800S | |
| ABB order code | 2CCS861001R0407 | |
| Product type | High-performance miniature circuit breaker (MCB) | |
| Number of poles | 1 | |
| Rated current | 8 A | |
| Tripping characteristic | Type K | |
| Maximum breaking capacity | 50 kA at 240/415 V AC | |
| Rated operational voltage | 400 V AC according to IEC 60947-2 | |
| Rated DC operational voltage | 125 V DC according to IEC 60947-2 | |
| Rated voltage according to IEC 60898-1 | 230/400 V AC | |
| Rated insulation voltage (Ui) | 690 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Protection rating | IP20 | |
| Tripping mechanism | Thermal and electromechanical | |
| Terminal type | Interchangeable cage / screw terminal | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 95 × 27 × 82.5 mm | |
| Weight | approx. 0.245 kg | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 |
Frequently Asked Questions
What is the ABB S801S-K8 used for?
The ABB S801S-K8 is a high-performance miniature circuit breaker used to protect electrical circuits against overloads and short circuits, particularly in demanding industrial applications.
What is the current rating of the S801S-K8?
The S801S-K8 has a rated current of 8 A and uses a Type K tripping characteristic.
What is the breaking capacity of the ABB S801S-K8?
The S801S-K8 provides a maximum short-circuit breaking capacity of 50 kA at 240/415 V AC, making it suitable for installations with high prospective fault currents.
What does the Type K characteristic mean?
The Type K characteristic is intended for applications where loads can produce relatively high starting or inrush currents, helping reduce unwanted tripping while maintaining overload and short-circuit protection.
Which standards does the ABB S801S-K8 comply with?
The S801S-K8 is designed in accordance with IEC/EN 60947-2, IEC/EN 60898-1 and UL 1077.
Trusted High-Performance Protection from ABB
ABB S800S high-performance miniature circuit breakers provide robust overload and short-circuit protection for demanding industrial electrical systems, combining high breaking capacity, current-limiting performance and compact modular construction.
