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1SDA071079R1 ABB E2.2S 2500 Ekip Hi-Touch LSIG 3p FHR Air Circuit Breaker
ABB 1SDA071079R1 is a SACE Emax 2 E2.2S 2500 A fixed three-pole air circuit breaker with rear horizontal terminals, Ekip Hi-Touch LSIG electronic protection and 85 kA ultimate breaking capacity at 400/415 V AC.
£12,570.80
Why Choose the ABB E2.2S 2500 Ekip Hi-Touch LSIG 3p FHR Air Circuit Breaker?
The ABB E2.2S 2500 Ekip Hi-Touch LSIG 3p FHR, order code 1SDA071079R1, is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for advanced protection, switching and control of demanding low-voltage electrical distribution systems. Rated at 2500 A, this three-pole fixed circuit breaker combines the E2.2S frame with ABB's advanced Ekip Hi-Touch LSIG electronic trip unit.
The Ekip Hi-Touch LSIG release provides comprehensive long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection. This combination provides sophisticated electronic protection for high-current circuits while supporting selective coordination, accurate fault management and advanced monitoring within modern electrical distribution networks.
This configuration is a fixed three-pole breaker equipped with rear horizontal (HR) terminals. The E2.2S performance level provides an ultimate short-circuit breaking capacity of 85 kA at 400/415 V AC, a rated short-time withstand current of 66 kA for 1 s and a rated operational voltage of 690 V AC, making it suitable for industrial switchboards, main incomers and critical high-current distribution systems.
Key Advantages
- High-capacity 2500 A SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
- Advanced Ekip Hi-Touch LSIG electronic trip unit for comprehensive circuit protection and supervision.
- 85 kA ultimate short-circuit breaking capacity at 400/415 V AC.
- 66 kA short-time withstand current for 1 s for demanding distribution applications.
- LSIG protection covers overload, short-time short-circuit, instantaneous short-circuit and earth-fault conditions.
- Short-time protection supports selective coordination within multi-level electrical distribution systems.
- Three-pole fixed configuration with rear horizontal terminals for switchboard integration.
- Part of ABB's advanced SACE Emax 2 platform for intelligent power distribution and energy management.
Key Features
- ABB SACE Emax 2 E2.2S frame.
- 2500 A rated uninterrupted current.
- Three-pole configuration.
- Fixed mounting version.
- Ekip Hi-Touch LSIG solid-state electronic release.
- Long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection.
- 85 kA Icu at 400/415 V AC.
- 85 kA Ics at 400/415 V AC.
- 66 kA Icw for 1 s and 50 kA Icw for 3 s.
- 690 V AC rated operational voltage.
- Rear horizontal (HR) main terminals.
- Fitted with four auxiliary change-over contacts and circuit-breaker open/closed position indication.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage distribution systems against overloads, short circuits and other electrical faults while providing controlled switching and isolation of important circuits. The E2.2S frame combines a substantial 2500 A current rating with high short-circuit interruption capability for demanding industrial, commercial and infrastructure power systems.
The Ekip Hi-Touch LSIG trip unit provides configurable long-time, short-time, instantaneous and earth-fault protection. The combination of these protection functions enables sophisticated coordination across electrical distribution networks, helping isolate faulted circuits while supporting continuity of supply and providing comprehensive protection for equipment, conductors and connected infrastructure.
Typical Applications
- Industrial low-voltage main distribution switchboards.
- Main incomer and high-current feeder protection.
- Manufacturing and process-industry electrical systems.
- Commercial and infrastructure power distribution.
- Data centres and critical electrical installations.
- Transformer secondary distribution systems.
- Generator and utility distribution circuits.
- Power systems requiring LSIG protection, earth-fault protection and selective coordination.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E2.2S |
| ABB order code | 1SDA071079R1 |
| EAN | 8015644749293 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 2500 A |
| Rated current (In) | 2500 A |
| Number of poles | 3 |
| Trip unit | Ekip Hi-Touch LSIG |
| Release type | Electronic / solid-state |
| Protection functions | L, S, I and G |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Ultimate short-circuit breaking capacity (Icu) at 400/415 V AC | 85 kA |
| Service short-circuit breaking capacity (Ics) at 400/415 V AC | 85 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 66 kA |
| Rated short-time withstand current (Icw, 1 s) | 66 kA |
| Rated short-time withstand current (Icw, 3 s) | 50 kA |
| Current type | AC |
| Installation | Fixed |
| Terminal configuration | Rear horizontal (HR) |
| Main terminal type | Bolt connection |
| Auxiliary contacts | 4 change-over contacts |
| Mechanical durability | 20000 cycles |
| Electrical durability at ≤440 V | 8000 cycles |
| Power loss | 267 W |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA071079R1?
The ABB 1SDA071079R1 is a SACE Emax 2 E2.2S fixed three-pole air circuit breaker rated at 2500 A and equipped with an Ekip Hi-Touch LSIG electronic trip unit.
What protection functions does the Ekip Hi-Touch LSIG trip unit provide?
The Ekip Hi-Touch LSIG release provides long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection.
What is the current rating of the ABB E2.2S 1SDA071079R1?
The circuit breaker has a rated uninterrupted current of 2500 A.
What is the breaking capacity of the ABB E2.2S 2500?
The E2.2S provides an ultimate short-circuit breaking capacity of 85 kA at 400/415 V AC and 66 kA at 690 V AC.
What is the short-time withstand rating of the ABB 1SDA071079R1?
The circuit breaker has a rated short-time withstand current of 66 kA for 1 s and 50 kA for 3 s.
Does the ABB 1SDA071079R1 provide earth-fault protection?
Yes. The G function within the Ekip Hi-Touch LSIG release provides earth-fault protection in addition to long-time, short-time and instantaneous overcurrent protection.
Is the ABB 1SDA071079R1 fixed or withdrawable?
The 1SDA071079R1 is a fixed-version circuit breaker intended for permanent installation within a low-voltage switchboard.
What does FHR mean for the ABB 1SDA071079R1?
This configuration is a fixed circuit breaker with rear horizontal terminals, providing rear-facing main connections suitable for integration with switchboard busbars and conductors.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers combine high-performance circuit protection with advanced monitoring, control and power-management capabilities for demanding industrial, commercial and infrastructure electrical distribution systems worldwide.
