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.
1SDA071420R1 ABB Emax 2 E1.2B 1000A Ekip G Hi-Touch LSIG 4P Air Circuit Breaker
ABB 1SDA071420R1 is a SACE Emax 2 E1.2B 1000 A fixed four-pole air circuit breaker with front terminals, an Ekip G Hi-Touch LSIG electronic trip unit, generator-specific protection, 690 V AC rated operational voltage and 42 kA breaking capacity.
£8,290.99
Why Choose the ABB 1SDA071420R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA071420R1 is a high-performance SACE Emax 2 E1.2B air circuit breaker (ACB) designed for advanced protection, control and monitoring of low-voltage generator and electrical distribution systems. Rated at 1000 A, this fixed four-pole circuit breaker combines ABB’s compact E1.2 frame with the advanced Ekip G Hi-Touch LSIG electronic trip unit for comprehensive generator and distribution protection.
As part of the advanced ABB SACE Emax 2 series, the E1.2B combines high-performance circuit protection with sophisticated measurement and power-quality capabilities. The Ekip G Hi-Touch LSIG release provides long-time, short-time, instantaneous and ground-fault protection together with generator-specific protection functions, integrated Ekip Measuring Pro and Network Analyzer functionality.
With a rated uninterrupted current of 1000 A, a rated operational voltage of 690 V AC and a rated ultimate short-circuit breaking capacity of 42 kA at 380–690 V AC, the 1SDA071420R1 provides dependable fault-clearing performance for demanding installations. This version features a fixed four-pole configuration with front terminals, enabling straightforward integration into generator switchboards, industrial power systems and low-voltage distribution assemblies.
Key Advantages
- Compact 1000 A air circuit breaker for generator and low-voltage distribution applications.
- 42 kA ultimate short-circuit breaking capacity at 380–690 V AC.
- Advanced Ekip G Hi-Touch LSIG electronic trip unit with generator-specific protection functions.
- LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
- Integrated Ekip Measuring Pro and Network Analyzer functionality supports detailed electrical monitoring and power-quality analysis.
- Fixed four-pole configuration with front terminals supports efficient switchboard integration.
Key Features
- ABB SACE Emax 2 E1.2B air circuit breaker.
- 1000 A rated uninterrupted current.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 42 kA Icu at 380–690 V AC.
- Ekip G Hi-Touch LSIG solid-state electronic release.
- Adjustable overload, selective short-circuit, instantaneous and ground-fault protection.
- Specialised protection functions for generator applications.
- Integrated Ekip Measuring Pro measurement functionality.
- Integrated Network Analyzer for power-quality monitoring.
- Touch-sensitive display for protection configuration and monitoring.
- Fixed four-pole construction.
- Front terminals for main circuit connections.
- Supplied with four auxiliary contacts and circuit-breaker open/closed position indication.
- Designed in accordance with IEC 60947-2.
Advanced Generator and Power Distribution Protection
Air circuit breakers such as the ABB SACE Emax 2 E1.2B protect important low-voltage circuits against damaging overload, short-circuit and earth-fault conditions. The 1SDA071420R1 combines a 1000 A continuous-current rating with 42 kA short-circuit breaking capability across its specified AC operating-voltage range, making it suitable for generator protection, main incomers and critical distribution circuits.
The Ekip G Hi-Touch LSIG trip unit extends conventional LSIG protection with advanced functions specifically intended for generator applications. Its touchscreen interface, integrated Ekip Measuring Pro module and Network Analyzer support precise protection configuration, electrical measurement and power-quality supervision across modern low-voltage electrical networks.
Typical Applications
- Generator protection and generator switchboards.
- Emergency and standby power systems.
- Main incoming protection for low-voltage switchboards.
- Industrial electrical distribution systems.
- Manufacturing and process facilities.
- Data centres and critical-power installations.
- Commercial and infrastructure power distribution.
- IEC low-voltage switchgear and controlgear assemblies.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame / sub-type | E1.2B |
| Order code / MPN | 1SDA071420R1 |
| Product type | Air circuit breaker |
| Short-circuit performance level | B |
| Rated current (In) | 1000 A |
| Rated uninterrupted current (Iu) | 1000 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Frequency | 50 / 60 Hz |
| Rated ultimate short-circuit breaking capacity (Icu) at 380 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 400–415 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500–525 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 42 kA |
| Number of poles | 4 |
| Trip unit | Ekip G Hi-Touch LSIG |
| Release type | Solid-state electronic |
| Protection functions | LSIG |
| Overload protection adjustment | 0.4–1 × In |
| Overload protection adjustment range | 400–1000 A |
| Short-time protection adjustment | 0.6–10 × In |
| Short-time protection adjustment range | 600–10,000 A |
| Instantaneous protection adjustment | 1.5–15 × In |
| Instantaneous protection adjustment range | 1500–15,000 A |
| Ground-fault protection adjustment | 0.1–1 × In |
| Integrated earth-fault protection | Yes |
| Generator-specific protection | Yes |
| Measurement module | Ekip Measuring Pro |
| Power-quality analysis | Integrated Network Analyzer |
| Current type | AC |
| Installation version | Fixed |
| Terminal connection | Front |
| Auxiliary contacts | 4 change-over contacts |
| Circuit-breaker position indication | Open / closed |
| Integrated motor drive | No |
| Optional motor drive | Yes |
| Protection rating | IP30 |
| Power loss | 78 W |
| EAN | 8015644752705 |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA071420R1 used for?
The ABB 1SDA071420R1 is a 1000 A Emax 2 air circuit breaker designed for protection and control of low-voltage generator and electrical distribution systems.
What is the current rating of the ABB 1SDA071420R1?
The circuit breaker has a rated current and rated uninterrupted current of 1000 A.
What breaking capacity does the E1.2B 1000 provide?
The E1.2B version has a rated ultimate short-circuit breaking capacity of 42 kA at 380–690 V AC.
What protection does the Ekip G Hi-Touch LSIG trip unit provide?
The Ekip G Hi-Touch LSIG electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection together with specialised generator protection, measurement and power-quality analysis functions.
Is the ABB 1SDA071420R1 a fixed or withdrawable circuit breaker?
The 1SDA071420R1 is a fixed four-pole air circuit breaker with front terminals for integration into generator and low-voltage distribution switchboards.
Trusted High-Performance Circuit Protection
ABB SACE Emax 2 air circuit breakers combine advanced electronic protection, generator-specific functionality, electrical measurement and power-quality analysis for dependable operation in modern industrial, commercial and critical-power electrical systems.
