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.
ABB 1SDA129040R1 Emax 3 air circuit breaker, a 250 A four pole low voltage circuit breaker with Ekip Aware LSIG electronic protection for industrial power distribution systems.
£6,583.00
The ABB 1SDA129040R1 is a high-performance low voltage air circuit breaker from the advanced ABB SACE Emax 3 series, designed to provide reliable protection, switching and monitoring for industrial power distribution systems. Configured as an E2.3S 250 Ekip Aware LSIG 4-pole moving part, it delivers dependable circuit protection for demanding electrical installations.
This ABB Emax 3 circuit breaker combines robust mechanical construction with intelligent electronic protection technology through the integrated Ekip Aware LSIG trip unit. It provides advanced fault protection, improved operational safety and enhanced control capabilities for modern low voltage electrical networks.
With a rated current of 250 A and a four-pole withdrawable moving part configuration, the ABB 1SDA129040R1 is suitable for industrial switchboards and power distribution systems where reliable protection, service flexibility and efficient maintenance are required.
Air circuit breakers such as the ABB SACE Emax 3 series are designed to protect electrical installations by safely interrupting fault currents while providing dependable switching and isolation functions. The intelligent Ekip Aware electronic release enables accurate protection coordination and improved system monitoring.
The ABB 1SDA129040R1 is engineered for applications requiring operational reliability, enhanced safety and easy maintenance. Its withdrawable configuration allows convenient servicing while maintaining dependable performance in modern electrical distribution assemblies.
Tick the specs you need, then view products that match.
| Trip Unit | LSIG | |
|---|---|---|
| Device Type | ACB | |
| Current | 250 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | 1SDA129040R1 | |
| Product type | Low voltage air circuit breaker | |
| Configuration | E2.3S 250 Ekip Aware LSIG 4p moving part | |
| Rated current | 250 A | |
| Number of poles | 4 | |
| Trip unit | Ekip Aware LSIG electronic release | |
| Protection functions | LSIG | |
| Version | Withdrawable moving part | |
| Standards | IEC low voltage circuit breaker standards | |
| HS Code | 85362090 |
The ABB 1SDA129040R1 is used for protecting and controlling low voltage electrical distribution systems in industrial and commercial installations.
The ABB 1SDA129040R1 has a rated current of 250 A.
This air circuit breaker features a four-pole configuration for comprehensive electrical protection.
The breaker includes an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and earth fault protection functions.
The ABB 1SDA129040R1 is designed for industrial switchboards and low voltage power distribution assemblies requiring a withdrawable breaker solution.
ABB SACE Emax 3 air circuit breakers are trusted by electrical engineers and facility operators to provide intelligent protection, reliable switching and advanced monitoring in modern low voltage power distribution systems.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.