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1SDA071210R1 ABB E4.2S 4000 Ekip G Hi-Touch LSIG 3p F HR Air Circuit Breaker
ABB 1SDA071210R1 E4.2S 4000 Ekip G Hi-Touch LSIG 3p F HR is a fixed three-pole 4000 A SACE Emax 2 air circuit breaker with 85 kA short-circuit breaking capacity at 400 V AC and advanced generator-oriented Ekip G Hi-Touch LSIG electronic protection, measurement and monitoring.
£20,244.86
Why Choose the ABB E4.2S 4000 Ekip G Hi-Touch LSIG 3p F HR Air Circuit Breaker?
The ABB E4.2S 4000 Ekip G Hi-Touch LSIG 3p F HR, order code 1SDA071210R1, is a high-performance air circuit breaker (ACB) designed for generator protection and demanding low-voltage power distribution systems. Part of the ABB SACE Emax 2 series, this fixed three-pole circuit breaker combines a 4000 A rated uninterrupted current with the advanced Ekip G Hi-Touch LSIG solid-state electronic trip unit.
The Ekip G Hi-Touch LSIG release combines long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection with advanced generator-oriented protection, measurement and monitoring functionality. Its configurable electronic platform is designed to support sophisticated protection coordination and supervision in generator, industrial and critical power applications.
The E4.2S performance level provides an ultimate short-circuit breaking capacity of 85 kA at 400 V AC, 50 Hz and a short-time withstand current of 66 kA for 1 s. This version features a fixed three-pole construction with rear horizontal terminals, four auxiliary change-over contacts and circuit-breaker open/closed position indication.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for generator and power distribution applications.
- 4000 A rated uninterrupted current for substantial high-current electrical systems.
- 85 kA ultimate short-circuit breaking capacity at 400 V AC, 50 Hz.
- 66 kA short-time withstand current for 1 s for effective protection coordination.
- Advanced Ekip G Hi-Touch LSIG electronic trip unit with generator-oriented functionality.
- Integrated earth-fault protection alongside overload and short-circuit protection.
- Advanced measurement and monitoring capabilities for demanding power management applications.
- Fixed three-pole construction with rear horizontal terminals.
Key Features
- ABB SACE Emax 2 E4.2S series.
- 4000 A rated uninterrupted current.
- Three-pole fixed air circuit breaker.
- Ekip G Hi-Touch LSIG solid-state electronic protection release.
- Long-time overload (L), short-time delayed (S), instantaneous short-circuit (I) and earth-fault (G) protection.
- Generator-oriented protection, measurement and supervision functionality.
- 85 kA Icu at 400 V AC, 50 Hz.
- 66 kA Icw for 1 s.
- 690 V rated voltage.
- Adjustable overload and short-circuit protection thresholds.
- Rear horizontal main circuit connections.
- Four auxiliary change-over contacts with open/closed position indication.
Advanced Generator and Power Distribution Protection
Generator circuits can require specialised protection because their operating characteristics and available fault currents can differ from conventional utility-fed distribution systems. The ABB E4.2S 4000 with Ekip G Hi-Touch combines a substantial 4000 A current capability with advanced generator-oriented electronic protection, making it suitable for generator switchboards, standby power systems and industrial generation installations.
The Ekip G Hi-Touch LSIG release combines long-time overload, short-time delayed, instantaneous short-circuit and earth-fault protection with advanced measurement, monitoring and generator-oriented functionality. Together with the E4.2S frame's high short-circuit performance, this supports selective coordination, dependable fault isolation and comprehensive supervision of generators, conductors, switchgear and connected equipment.
Typical Applications
- Generator protection and generator switchboards.
- Standby and emergency generation systems.
- Industrial generation and power distribution installations.
- Main low-voltage electrical distribution switchboards.
- High-current main incomer applications.
- Systems requiring integrated earth-fault protection.
- Data centres and critical power distribution systems.
- Commercial and infrastructure power systems.
- OEM switchgear and electrical panel building.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB product group | Emax2 Air Circuit Breaker |
| Frame | E4.2S |
| ABB order code / MPN | 1SDA071210R1 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 4000 A |
| Rated voltage | 690 V |
| Ultimate short-circuit breaking capacity (Icu) | 85 kA at 400 V AC, 50 Hz |
| Short-time withstand current (Icw) | 66 kA for 1 s |
| Number of poles | 3 |
| Current type | AC |
| Trip unit | Ekip G Hi-Touch LSIG |
| Release type | Solid-state electronic |
| Protection functions | LSIG with generator-oriented protection functionality |
| Overload release adjustment range | 1600–4000 A |
| Short-time delayed short-circuit adjustment range | 2400–40000 A |
| Instantaneous short-circuit adjustment range | 6000–60000 A |
| Earth-fault protection | Integrated |
| Short-circuit performance level | S |
| Installation version | Fixed |
| Main terminal position | Rear |
| Main terminal orientation | Rear horizontal |
| Auxiliary contacts | 4 change-over contacts |
| Open/closed position indication | Yes |
| Trip indication | Yes |
| Integrated undervoltage release | No |
| Integrated motor operator | No |
| Optional motor operator | Yes |
| Dimensions (W × H × D) | 384 × 371 × 270 mm |
| Weight | 56 kg |
| Standard | IEC |
| Country of origin | Italy |
| EAN / GTIN | 8015644750602 |
Frequently Asked Questions
What is the ABB 1SDA071210R1 used for?
The ABB 1SDA071210R1 is an Emax 2 air circuit breaker designed for generator protection and high-current low-voltage power distribution applications, combining a 4000 A E4.2S breaker with the advanced Ekip G Hi-Touch LSIG electronic trip unit.
What is the current rating of the ABB E4.2S 4000?
The circuit breaker has a rated uninterrupted current of 4000 A, making it suitable for substantial generator circuits, main incomers and high-current low-voltage power distribution systems.
What breaking capacity does the ABB 1SDA071210R1 provide?
The E4.2S 4000 provides an ultimate short-circuit breaking capacity of 85 kA at 400 V AC, 50 Hz and a short-time withstand current of 66 kA for 1 s.
What protection functions are provided by the Ekip G Hi-Touch LSIG trip unit?
The Ekip G Hi-Touch LSIG trip unit provides long-time overload (L), short-time delayed short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection together with advanced generator-oriented protection, measurement and monitoring functionality.
Is the ABB 1SDA071210R1 a fixed or withdrawable circuit breaker?
The 1SDA071210R1 is a fixed three-pole air circuit breaker equipped with rear horizontal terminals for integration into low-voltage switchboards and generator protection assemblies.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers are designed for reliable protection, control and monitoring of low-voltage power distribution systems, combining high short-circuit performance with advanced electronic protection for demanding industrial, commercial and generator applications.
