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2CCS881017R0907 ABB S801U-K90 High Performance MCB 90 A 1P K 30 kA UL 489
ABB S801U-K90 is a 90 A single-pole K-characteristic high-performance miniature circuit breaker with a 30 kA short-circuit breaking capacity and UL 489 compliance for demanding commercial and industrial circuit protection.
£104.62
Why Choose the ABB S801U-K90 High Performance MCB?
The ABB S801U-K90 is a high-performance single-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding commercial and industrial electrical systems. As part of the ABB S800U high-performance circuit breaker series, it combines compact DIN-rail installation with high interrupting capacity and compliance with UL 489 requirements.
This circuit breaker features a K tripping characteristic and a rated current of 90 A. The K characteristic is particularly suited to circuits supplying inductive loads with elevated starting currents, providing dependable protection while helping to prevent unwanted tripping during normal equipment start-up.
With a short-circuit breaking capacity of 30 kA, the S801U-K90 is engineered for installations where high prospective fault currents may occur. Its robust S800 construction, compact single-pole format and secure terminal arrangement make it suitable for industrial distribution boards, machinery and automation control panels.
Key Advantages
- High-performance UL 489 circuit breaker for demanding electrical applications.
- 90 A rated current with single-pole circuit protection.
- K tripping characteristic suitable for inductive loads and equipment with elevated starting currents.
- High 30 kA short-circuit breaking capacity.
- Thermal overload and rapid magnetic short-circuit protection.
- Compact DIN-rail design for efficient integration into distribution and control panels.
Key Features
- ABB S800U high-performance MCB series.
- 1-pole configuration.
- 90 A rated current.
- K-characteristic tripping curve.
- 30 kA short-circuit breaking capacity.
- Designed to meet UL 489 requirements.
- High current-limiting performance under short-circuit conditions.
- Contact-position indication for clear operating status identification.
- Robust terminal system for dependable conductor connection.
- DIN-rail mounting for distribution boards and industrial control panels.
Reliable High-Performance Circuit Protection
The ABB S800U range is designed for overload and short-circuit protection where high breaking capacity and compliance with North American circuit-breaker requirements are important. The S801U-K90 provides a 30 kA short-circuit breaking capacity while retaining the compact modular construction required for space-efficient electrical distribution and control systems.
Its K-characteristic makes the breaker particularly useful for circuits containing inductive loads that can generate substantial starting currents. This helps combine reliable conductor and equipment protection with dependable operation in machinery, motor-control and industrial automation applications.
Typical Applications
- Industrial machinery and automation systems.
- Motor and inductive-load circuits.
- Industrial electrical distribution panels.
- Commercial electrical distribution systems.
- Control panels and production equipment.
- Circuits requiring UL 489 protection with a K tripping characteristic.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Series | S800U High Performance MCB | |
| ABB order code | 2CCS881017R0907 | |
| Product type | High-performance miniature circuit breaker (MCB) | |
| Number of poles | 1 | |
| Number of protected poles | 1 | |
| Rated current | 90 A | |
| Tripping characteristic | K | |
| Short-circuit breaking capacity | 30 kA | |
| Rated insulation voltage (Ui) | 690 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Contact position indication | ON / OFF / TRIP | |
| Terminal type | Cage terminal | |
| Mounting | 35 mm DIN rail | |
| Standard | UL 489 | |
| Dimensions (H × W × D) | approx. 95 × 27 × 82.5 mm |
Frequently Asked Questions
What is the ABB S801U-K90 used for?
The S801U-K90 provides overload and short-circuit protection for commercial and industrial electrical circuits, particularly applications with inductive loads and elevated starting currents.
What is the rated current of the S801U-K90?
The circuit breaker has a rated current of 90 A.
What tripping characteristic does the S801U-K90 have?
The S801U-K90 has a K tripping characteristic, making it suitable for circuits with inductive loads and relatively high starting currents.
What is the breaking capacity of the ABB S801U-K90?
The S801U-K90 has a short-circuit breaking capacity of 30 kA.
Which standard applies to the S801U-K90?
The S801U-K90 is designed as a UL 489 circuit breaker for demanding commercial and industrial electrical protection applications.
Trusted High-Performance Protection from ABB
ABB S800U high-performance circuit breakers combine high interrupting capacity, compact modular construction and UL 489 compliance for dependable protection in demanding commercial and industrial electrical systems.
