Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2CCF019919R0001 ABB S804S-B4 High Performance MCB 50 kA 4P Type B 4 A
ABB S804S-B4 high-performance four-pole miniature circuit breaker with a 4 A rated current, Type B tripping characteristic and 50 kA short-circuit breaking capacity for demanding electrical protection applications.
£241.18
Why Choose the ABB S804S-B4 High Performance MCB?
The ABB S804S-B4 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 MCB series, it combines compact modular construction with high fault-current interruption capability for applications requiring robust circuit protection.
This circuit breaker has a 4 A rated current and Type B tripping characteristic, providing thermal protection against sustained overloads and rapid magnetic operation under short-circuit conditions. Its four-pole configuration enables coordinated switching and protection across four conductors, making it suitable for appropriate three-phase and neutral distribution circuits.
With a specified short-circuit breaking capacity of 50 kA, the S804S-B4 is designed for electrical distribution systems where high prospective fault currents can occur. Its current-limiting design and compact rail-mounted construction make it well suited to industrial switchboards, distribution boards, machinery and automation control panels.
Key Advantages
- High-performance four-pole miniature circuit breaker for demanding electrical installations.
- 4 A rated current for reliable low-current circuit and equipment protection.
- Type B tripping characteristic for rapid response to short-circuit currents.
- High 50 kA short-circuit breaking capacity.
- Four-pole configuration for coordinated multi-pole circuit protection.
- Thermal-magnetic operation provides overload and short-circuit protection.
- Compact rail-mounted construction for industrial distribution and control panels.
Key Features
- ABB S800S high-performance MCB series.
- 4-pole configuration.
- 4 A rated current.
- Type B tripping characteristic.
- 50 kA high short-circuit breaking capacity.
- Current-limiting circuit breaker design.
- Thermal overload protection.
- Electromagnetic short-circuit protection.
- Simultaneous multi-pole switching.
- Compact modular construction for electrical panels and switchboards.
High-Performance Circuit Protection for Demanding Installations
Miniature circuit breakers protect electrical conductors and connected equipment against excessive current caused by overloads and short circuits. The ABB S800S range is engineered for applications requiring high fault-current interruption capability, providing dependable protection in industrial power distribution, machinery and automation systems.
The S804S-B4 combines four-pole switching with a Type B characteristic and a 4 A current rating. This configuration makes it suitable for appropriately designed low-current circuits where rapid short-circuit protection and simultaneous multi-pole disconnection are required.
Typical Applications
- Industrial electrical distribution systems.
- Low-current three-phase and neutral circuits.
- Machinery and automation control panels.
- Control, signalling and auxiliary circuits.
- Commercial and industrial switchboards.
- Electrical installations with high prospective fault currents.
Technical Specifications
| Series | S800S |
|---|---|
| ABB order code | 2CCF019919R0001 |
| Product group | S800 / S800P / S750 MCB |
| Product type | High-performance miniature circuit breaker (MCB) |
| Number of poles | 4 |
| Rated current | 4 A |
| Tripping characteristic | Type B |
| Short-circuit breaking capacity | 50 kA |
| Protection principle | Thermal-magnetic |
| Mounting type | Rail mounting |
Frequently Asked Questions
What is the ABB S804S-B4 used for?
The ABB S804S-B4 is used to protect multi-pole electrical circuits against overload and short-circuit conditions in demanding industrial, commercial and automation installations.
What is the rated current of the S804S-B4?
The S804S-B4 has a rated current of 4 A.
What tripping characteristic does this circuit breaker use?
The S804S-B4 uses a Type B tripping characteristic, providing rapid magnetic operation when significant short-circuit currents occur.
What is the breaking capacity of the ABB S804S-B4?
The S804S-B4 has a specified short-circuit breaking capacity of 50 kA, providing high-performance fault protection for demanding electrical installations.
How many poles does the S804S-B4 have?
The S804S-B4 is a four-pole circuit breaker, enabling coordinated switching and protection across four conductors.
Trusted ABB High-Performance Circuit Protection
ABB S800S high-performance miniature circuit breakers combine current-limiting technology, high short-circuit breaking capacity and robust modular construction for dependable protection in demanding electrical distribution applications.
