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2CCS864001R0401 ABB S804S-D40 40 A 4-Pole Type D High-Performance MCB 50 kA
ABB S804S-D40 is a 40 A four-pole Type D high-performance miniature circuit breaker with 50 kA breaking capacity for demanding industrial circuit protection and high-inrush applications.
£258.50
Why Choose the ABB S804S-D40 High-Performance MCB?
The ABB S804S-D40 is a high-performance four-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 series, it combines high fault-current interruption capability with robust construction for industrial and commercial installations.
This circuit breaker features a Type D tripping characteristic, making it particularly suitable for circuits supplying equipment with high starting or inrush currents. Its thermal and magnetic protection mechanisms provide dependable protection against sustained overloads and short-circuit faults, helping safeguard cables, equipment and downstream electrical systems.
With a rated current of 40 A, a four-pole configuration and a breaking capacity of 50 kA, the S804S-D40 provides robust circuit protection for installations where high prospective fault currents may occur. Its four-pole construction enables coordinated protection and switching across four conductors in compatible electrical distribution systems.
Key Advantages
- High-performance four-pole miniature circuit breaker for demanding electrical installations.
- 40 A rated current for industrial and commercial circuit protection.
- Type D tripping characteristic suitable for circuits with high starting or inrush currents.
- High 50 kA breaking capacity for installations with significant prospective fault currents.
- Thermal and magnetic protection against overloads and short circuits.
- Four-pole construction provides coordinated circuit protection and switching.
Key Features
- ABB S800S high-performance MCB series.
- Four-pole configuration.
- 40 A rated current.
- Type D tripping characteristic.
- 50 kA breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- High-performance modular construction for electrical distribution systems.
- Designed for demanding industrial circuits and equipment with elevated inrush currents.
Reliable Protection for High-Inrush Circuits
Miniature circuit breakers such as the ABB S804S-D40 automatically disconnect protected circuits when excessive current occurs because of an overload or short circuit. Thermal protection responds to sustained overload conditions, while magnetic tripping provides rapid interruption when severe short-circuit currents occur.
The Type D characteristic is designed to tolerate comparatively high transient starting currents while maintaining effective fault protection. Combined with the high breaking capacity of the S800S platform, this makes the S804S-D40 particularly suitable for demanding machinery, motor, transformer and industrial distribution applications.
Typical Applications
- Industrial electrical distribution panels.
- Machinery and automation systems.
- Motor circuits with high starting currents.
- Transformers and other inductive loads.
- Industrial control and power distribution systems.
- Electrical installations requiring high fault-current protection.
Technical Specifications
| Series | S800S |
|---|---|
| ABB order code | 2CCS864001R0401 |
| Product group | S800 / S800P / S750 MCB |
| Product type | High-performance miniature circuit breaker (MCB) |
| Number of poles | 4 |
| Rated current | 40 A |
| Tripping characteristic | Type D |
| Breaking capacity | 50 kA |
Frequently Asked Questions
What is the ABB S804S-D40 used for?
The S804S-D40 is a four-pole high-performance miniature circuit breaker designed to protect electrical circuits against overloads and short circuits, particularly in demanding applications with high starting currents.
What is the rated current of the ABB S804S-D40?
The ABB S804S-D40 has a rated current of 40 A.
What tripping characteristic does the S804S-D40 use?
The breaker uses a Type D tripping characteristic, making it suitable for circuits supplying equipment that can produce comparatively high starting or inrush currents.
What is the breaking capacity of the S804S-D40?
The ABB S804S-D40 has a specified breaking capacity of 50 kA.
How many poles does the ABB S804S-D40 have?
The S804S-D40 is a four-pole (4P) miniature circuit breaker, enabling coordinated protection and switching across four conductors in compatible electrical systems.
Trusted ABB Circuit Protection
ABB S800 high-performance miniature circuit breakers provide dependable overload and short-circuit protection for demanding industrial and commercial electrical installations, combining high breaking capacity with robust modular construction.
