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1SDA071250R1 ABB E6.2V 4000 Ekip G Hi-Touch LSIG 3p FHR Air Circuit Breaker
ABB 1SDA071250R1 is a SACE Emax 2 E6.2V 4000 A fixed three-pole air circuit breaker with rear horizontal terminals, an Ekip G Hi-Touch LSIG electronic trip unit, 150 kA ultimate short-circuit breaking capacity at 440 V AC and 100 kA one-second short-time withstand capability.
£21,311.93
Why Choose the ABB E6.2V 4000 Ekip G Hi-Touch LSIG 3p FHR Air Circuit Breaker?
The ABB E6.2V 4000 Ekip G Hi-Touch LSIG 3p FHR, order code 1SDA071250R1, is a high-performance SACE Emax 2 air circuit breaker (ACB) engineered for advanced protection, switching and power management in demanding low-voltage generator and distribution systems. Rated at 4000 A, this three-pole fixed circuit breaker combines the E6.2V frame with ABB's advanced Ekip G Hi-Touch LSIG solid-state electronic trip unit.
The Ekip G Hi-Touch LSIG release provides comprehensive long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection together with generator-oriented protection and advanced monitoring functionality. This makes the breaker particularly suitable for generator switchboards, critical power systems and high-current installations requiring sophisticated protection coordination and system supervision.
This configuration is a fixed three-pole breaker equipped with rear horizontal (HR) terminals. The E6.2V 4000 provides an ultimate short-circuit breaking capacity of 150 kA at 440 V AC and a rated short-time withstand current of 100 kA for 1 s, providing substantial fault-handling capability for high-current industrial, infrastructure and power-generation applications.
Key Advantages
- High-capacity 4000 A SACE Emax 2 air circuit breaker for major low-voltage power circuits.
- Advanced Ekip G Hi-Touch LSIG electronic trip unit for generator and critical power applications.
- 150 kA ultimate short-circuit breaking capacity at 440 V AC.
- 100 kA short-time withstand current for 1 s for demanding high-fault-level systems.
- LSIG protection covers overload, short-time short circuits, instantaneous short circuits and earth faults.
- Short-time protection supports selective coordination between upstream and downstream protective devices.
- Three-pole fixed configuration with rear horizontal terminals for permanent switchboard integration.
- Generator-oriented Ekip G Hi-Touch functionality supports sophisticated protection, monitoring and power-management requirements.
Key Features
- ABB SACE Emax 2 E6.2V frame.
- 4000 A rated uninterrupted current.
- Three-pole configuration.
- Fixed mounting version.
- Ekip G 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.
- 150 kA Icu at 440 V AC.
- 100 kA Icw for 1 s.
- Rear horizontal (HR) main terminals.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed for high-current generator, transformer and main distribution applications.
Advanced Generator and High-Fault-Level Distribution Protection
Air circuit breakers such as the ABB SACE Emax 2 provide switching, isolation and fault protection for major low-voltage electrical circuits. The E6.2V frame combines a substantial 4000 A current rating with 150 kA ultimate breaking capacity at 440 V AC and 100 kA one-second short-time withstand capability, making it particularly suitable for installations with very high prospective fault currents.
The Ekip G Hi-Touch LSIG trip unit combines long-time, short-time and instantaneous overcurrent protection with integrated earth-fault protection and advanced generator-oriented functionality. This comprehensive protection architecture supports selective coordination, system monitoring and sophisticated fault management, helping correctly engineered installations isolate faults effectively while maintaining continuity of supply to unaffected circuits.
Typical Applications
- Generator protection and generator distribution switchboards.
- Power-generation and standby power installations.
- High-current industrial low-voltage switchboards.
- Main incomer and 4000 A feeder protection.
- Transformer secondary distribution systems.
- Manufacturing and process-industry electrical installations.
- Data centres and critical electrical infrastructure.
- Systems requiring high breaking capacity, advanced LSIG protection and generator-oriented supervision.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E6.2V |
| ABB order code | 1SDA071250R1 |
| EAN / GTIN | 8015644751005 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 4000 A |
| Rated current (In) | 4000 A |
| Number of poles | 3 |
| Trip unit | Ekip G Hi-Touch LSIG |
| Release type | Solid-state electronic |
| Protection functions | L, S, I and G |
| Rated operational voltage | Up to 690 V AC |
| Ultimate short-circuit breaking capacity (Icu) at 440 V AC | 150 kA |
| Rated short-time withstand current (Icw, 1 s) | 100 kA |
| Short-circuit performance level | V |
| Current type | AC |
| Integrated earth-fault protection | Yes |
| Generator-oriented protection | Yes |
| Installation | Fixed |
| Terminal configuration | Rear horizontal (HR) |
| Main circuit connection | Rear terminals |
| Auxiliary contacts | 4 |
| Circuit-breaker position indication | Open / closed |
| Product net weight | 109 kg |
| Country of origin | Italy |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA071250R1?
The ABB 1SDA071250R1 is a SACE Emax 2 E6.2V fixed three-pole air circuit breaker rated at 4000 A and equipped with an Ekip G Hi-Touch LSIG solid-state electronic trip unit.
What protection functions does the Ekip G Hi-Touch LSIG trip unit provide?
The Ekip G Hi-Touch LSIG release provides long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection together with advanced generator-oriented functionality.
What is the current rating of the ABB E6.2V 1SDA071250R1?
The circuit breaker has a rated uninterrupted current of 4000 A, making it suitable for major high-current distribution and generator circuits.
What is the breaking capacity of the ABB E6.2V 4000?
The E6.2V 4000 configuration has an ultimate short-circuit breaking capacity of 150 kA at 440 V AC, providing very high fault-interruption capability.
What is the short-time withstand rating of the ABB 1SDA071250R1?
The E6.2V 4000 has a rated short-time withstand current of 100 kA for 1 s, supporting demanding high-current and selectively coordinated distribution systems.
Does the ABB 1SDA071250R1 provide earth-fault protection?
Yes. The G function within the Ekip G Hi-Touch LSIG release provides integrated earth-fault protection in addition to long-time, short-time and instantaneous overcurrent protection.
Is the ABB 1SDA071250R1 suitable for generator applications?
Yes. The Ekip G Hi-Touch release provides generator-oriented protection and advanced supervision capabilities, making this configuration suitable for generator switchboards, power-generation installations and critical power distribution networks.
What does FHR mean for the ABB 1SDA071250R1?
This configuration is a fixed circuit breaker with rear horizontal terminals, providing rear-facing main connections suitable for integration with switchboard busbars and power conductors.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers combine high-current switching and protection with advanced electronic trip technology, generator-oriented protection and sophisticated power-management capabilities for demanding industrial, infrastructure, critical power and power-generation applications worldwide.
