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.
2CDH784010R0637 ABB S754DR-K100 Selective Main Circuit Breaker 4P 100A 25kA
ABB S754DR-K100 is a 4-pole 100 A K-selective main circuit breaker with 25 kA short-circuit breaking capacity for reliable protection and selective coordination in low-voltage electrical distribution systems.
£392.54
Why Choose the ABB S754DR-K100 Selective Main Circuit Breaker?
The ABB S754DR-K100 is a high-performance 4-pole selective main circuit breaker (SMCB) designed to provide reliable overload and short-circuit protection in low-voltage electrical distribution systems where selective coordination and continuity of supply are important. As part of the ABB S750 DR series, it provides robust main circuit protection for demanding three-phase and neutral power distribution applications.
The S754DR-K100 features a K selective tripping characteristic and is designed for coordinated operation with downstream protective devices. Its selective behaviour helps faults to be disconnected close to their source, reducing unnecessary interruption to unaffected circuits and supporting improved availability throughout the electrical installation.
With a rated current of 100 A, a 4-pole configuration and short-circuit breaking capacity of 25 kA, the S754DR-K100 is well suited to high-current four-pole distribution circuits requiring dependable selective protection. Its modular DIN-rail-mounted construction enables straightforward integration into electrical distribution boards and panel assemblies.
Key Advantages
- Selective main circuit breaker for four-pole electrical distribution systems.
- 100 A rated current for high-current distribution and feeder circuits.
- 4-pole configuration for three-phase and neutral circuit protection.
- 25 kA short-circuit breaking capacity for robust fault protection.
- K selective characteristic supports coordination with downstream protective devices.
- Selective operation helps maintain continuity of supply to unaffected circuits.
Key Features
- ABB S750 DR selective main circuit breaker series.
- 100 A rated current.
- 4-pole construction.
- K selective tripping characteristic.
- 25 kA short-circuit breaking capacity.
- Designed for overload and short-circuit protection.
- Selective coordination for improved electrical supply availability.
- DIN-rail mounting for straightforward distribution-board installation.
Reliable Selective Protection for Four-Pole Distribution
Selective main circuit breakers coordinate with downstream protective devices so that electrical faults can be disconnected as close as possible to their source. This helps maintain power to unaffected circuits, reduces the extent of an outage and improves availability throughout an electrical distribution system.
The ABB S750 DR series combines overload and short-circuit protection with selective coordination. The S754DR-K100 is therefore well suited to three-phase and neutral installations requiring high-current four-pole main circuit protection together with effective coordination of downstream protective devices.
Typical Applications
- Main protection in low-voltage electrical distribution systems.
- Three-phase and neutral distribution circuits.
- Commercial and industrial distribution boards.
- High-current building electrical distribution installations.
- Distribution systems with downstream miniature circuit breakers.
- Installations where continuity of electrical supply is important.
Technical Specifications
| Series | S750 DR |
|---|---|
| ABB order code | 2CDH784010R0637 |
| Product type | Selective main circuit breaker (SMCB) |
| Number of poles | 4 |
| Rated current | 100 A |
| Tripping characteristic | K selective |
| Short-circuit breaking capacity | 25 kA |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB S754DR-K100 used for?
The S754DR-K100 is used as a selective main circuit breaker for overload and short-circuit protection in low-voltage electrical distribution systems.
What is the rated current of the S754DR-K100?
The ABB S754DR-K100 has a rated current of 100 A.
How many poles does the S754DR-K100 have?
The S754DR-K100 is a 4-pole selective main circuit breaker suitable for three-phase and neutral distribution circuits.
What is the breaking capacity of the S754DR-K100?
The S754DR-K100 provides a short-circuit breaking capacity of 25 kA.
What does the K selective characteristic provide?
The K selective characteristic supports coordinated operation with downstream protective devices, helping local faults to be disconnected while maintaining electrical supply to unaffected circuits.
Trusted ABB Circuit Protection
ABB S750 DR selective main circuit breakers provide dependable overload and short-circuit protection with selective coordination for electrical distribution systems where continuity of supply and reliable fault isolation are important.
