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.
1SDA071378R1 ABB E1.2B 800 Ekip Hi-Touch LSI 4p F F Air Circuit Breaker
ABB 1SDA071378R1 is a SACE Emax 2 E1.2B 800 A fixed four-pole air circuit breaker with front terminals and an Ekip Hi-Touch LSI electronic trip unit for advanced low-voltage distribution protection and monitoring.
£7,282.83
Why Choose the ABB E1.2B 800 Ekip Hi-Touch LSI 4p F F Air Circuit Breaker?
The ABB E1.2B 800 Ekip Hi-Touch LSI 4p F F, order code 1SDA071378R1, is a compact and advanced SACE Emax 2 air circuit breaker (ACB) designed for protection, monitoring and control of low-voltage electrical distribution systems. This fixed four-pole E1.2B breaker combines an 800 A rated uninterrupted current with ABB's advanced Ekip Hi-Touch LSI electronic trip unit.
The Ekip Hi-Touch LSI release provides long-time, short-time and instantaneous protection against overloads and short circuits. Its touchscreen interface and advanced measurement capabilities provide detailed access to electrical parameters and protection settings, supporting precise system coordination and effective management of demanding power-distribution installations.
The E1.2B performance level provides an ultimate short-circuit breaking capacity of 42 kA at 440 V AC together with a short-time withstand current of 42 kA for 1 s. Its fixed four-pole construction with front terminals makes it suitable for three-phase four-wire systems requiring neutral switching and advanced electronic circuit protection.
Key Advantages
- Compact ABB SACE Emax 2 E1.2B air circuit breaker.
- 800 A rated uninterrupted current for low-voltage power distribution.
- 42 kA ultimate short-circuit breaking capacity at 440 V AC.
- Advanced Ekip Hi-Touch LSI electronic trip unit.
- LSI protection provides long-time, short-time and instantaneous protection.
- Advanced touchscreen interface supports convenient configuration and monitoring.
- Four-pole configuration supports switching of three phases and neutral.
- Fixed construction with front terminals supports straightforward switchboard integration.
Key Features
- ABB SACE Emax 2 E1.2B series.
- 800 A rated uninterrupted current.
- Four-pole fixed configuration.
- Ekip Hi-Touch LSI advanced electronic protection release.
- Operating voltage range up to 690 V AC.
- Long-time overload protection.
- Short-time selective short-circuit protection.
- Instantaneous short-circuit protection.
- 42 kA Icu at 440 V AC.
- 42 kA short-time withstand current for 1 s.
- Front main terminals for fixed switchboard installation.
- Advanced measurement and monitoring capabilities.
Advanced LSI Protection and Monitoring
The ABB Ekip Hi-Touch LSI trip unit combines long-time overload protection with short-time and instantaneous short-circuit protection. The short-time function supports selective coordination between protective devices, helping isolate faults while maintaining power to unaffected sections of the electrical installation.
Beyond circuit protection, the Hi-Touch platform provides advanced measurement and monitoring capabilities for greater visibility of electrical system performance. Combined with the compact E1.2B frame, four-pole switching and 42 kA short-circuit performance, the 1SDA071378R1 is well suited to sophisticated industrial, commercial and infrastructure distribution systems.
Typical Applications
- Low-voltage power distribution switchboards.
- Main incoming and feeder circuit protection.
- Industrial manufacturing and process facilities.
- Commercial building electrical distribution.
- Infrastructure and utility installations.
- Data centres and critical power systems.
- Three-phase four-wire networks requiring neutral switching.
Technical Specifications
| Series | SACE Emax 2 E1.2 |
|---|---|
| Order code / MPN | 1SDA071378R1 |
| EAN | 8015644752286 |
| Product type | Air circuit breaker |
| Performance level | B |
| Rated uninterrupted current (Iu) | 800 A |
| Maximum operational voltage | 690 V AC |
| Number of poles | 4 |
| Installation | Fixed |
| Main terminals | Front |
| Trip unit | Ekip Hi-Touch LSI |
| Release type | Electronic |
| Protection functions | Long-time, short-time and instantaneous |
| Ultimate breaking capacity (Icu) at 440 V AC | 42 kA |
| Short-time withstand current (Icw) | 42 kA for 1 s |
| Mechanical durability | 20000 cycles |
| Electrical durability | 8000 cycles at voltages up to 440 V AC |
| Product net weight | 18 kg |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA071378R1 used for?
It is a SACE Emax 2 air circuit breaker designed for advanced protection, monitoring and switching of low-voltage electrical distribution systems.
What is the current rating of this circuit breaker?
The E1.2B 800 has a rated uninterrupted current of 800 A.
Which protection unit is fitted to the 1SDA071378R1?
The breaker is equipped with an Ekip Hi-Touch LSI electronic trip unit providing long-time, short-time and instantaneous protection together with advanced measurement and monitoring capabilities.
What is the breaking capacity of the ABB E1.2B 800?
The E1.2B configuration provides an ultimate short-circuit breaking capacity of 42 kA at 440 V AC and a short-time withstand current of 42 kA for 1 s.
How is the ABB 1SDA071378R1 installed?
The 1SDA071378R1 is a fixed four-pole air circuit breaker with front terminals, making it suitable for integration into three-phase four-wire low-voltage switchboards.
Trusted Protection from ABB
ABB SACE Emax 2 air circuit breakers combine advanced electronic protection, sophisticated monitoring and dependable short-circuit performance for industrial, commercial, infrastructure and critical low-voltage power-distribution systems.
