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1SDA071780R1 ABB E4.2N 3200 Ekip G Hi-Touch LSIG 4P FHR Air Circuit Breaker
ABB 1SDA071780R1 is a SACE Emax 2 E4.2N 3200 A four-pole fixed air circuit breaker with rear horizontal terminals and an Ekip G Hi-Touch LSIG electronic trip unit for advanced power distribution and generator protection.
£16,605.18
Why Choose the ABB 1SDA071780R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA071780R1 is a high-performance SACE Emax 2 E4.2N air circuit breaker designed for protection, control and management of demanding low-voltage power distribution and generator systems. Configured as an E4.2N 3200 Ekip G Hi-Touch LSIG 4p FHR, it combines a rated uninterrupted current of 3200 A with ABB's advanced Ekip G Hi-Touch LSIG electronic trip unit.
This four-pole fixed circuit breaker provides comprehensive LSIG protection functions, covering long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. The Ekip G Hi-Touch release is specifically equipped for generator protection applications and incorporates advanced measurement and network analysis functionality for sophisticated electrical installations.
With an E4.2N frame, a rated ultimate short-circuit breaking capacity of 66 kA at 440 V AC and a rated short-time withstand current of 66 kA for 1 s, the 1SDA071780R1 provides robust protection for high-current distribution systems. Its fixed four-pole construction features rear horizontal terminals and is supplied with four auxiliary contacts and circuit-breaker open/closed position indication.
Key Advantages
- High-performance ABB SACE Emax 2 E4.2N air circuit breaker for power distribution and generator applications.
- 3200 A rated uninterrupted current for high-current electrical systems.
- 66 kA ultimate short-circuit breaking capacity at 440 V AC.
- 66 kA short-time withstand current for 1 s.
- Advanced Ekip G Hi-Touch LSIG electronic trip unit with generator-specific protection functionality.
- Four-pole fixed configuration with rear horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2N series.
- 3200 A rated uninterrupted current (Iu).
- Four-pole configuration.
- Fixed mounting construction.
- Rear horizontal terminals (FHR).
- Ekip G Hi-Touch LSIG electronic trip unit.
- LSIG protection for long-time, short-time, instantaneous and earth-fault conditions.
- 690 V AC rated operational voltage.
- 66 kA rated ultimate short-circuit breaking capacity at 380–690 V AC.
- Integrated Ekip Measuring Pro and Network Analyzer functionality.
Advanced Protection for Power Distribution and Generator Systems
Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage networks against overloads, short circuits and earth faults while providing switching and isolation within electrical distribution assemblies. The E4.2N frame combines high current-carrying capability with dependable fault interruption performance for demanding industrial and infrastructure installations.
The Ekip G Hi-Touch LSIG electronic trip unit extends this protection with generator-specific functions, advanced measurement and network analysis capabilities. Its comprehensive LSIG protection and integrated Ekip Measuring Pro functionality make the 1SDA071780R1 particularly suitable for generator protection, power management and sophisticated low-voltage distribution systems.
Typical Applications
- Generator protection and power management systems.
- Main incoming protection for low-voltage switchboards.
- Industrial power distribution systems.
- High-current feeder protection.
- Commercial and infrastructure electrical distribution.
- Critical power and energy management installations.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E4.2N |
| ABB order code | 1SDA071780R1 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 3200 A |
| 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 |
| Instantaneous protection adjustment | 1.5–15 × In |
| Earth-fault protection adjustment | 0.1–1 × In |
| 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 440 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 66 kA |
| Rated short-time withstand current (Icw), 1 s | 66 kA |
| Mounting version | Fixed |
| Terminal arrangement | Rear horizontal |
| Auxiliary contacts | 4 |
| Dimensions (W × H × D) | 510 × 371 × 270 mm |
| Weight | approx. 70 kg |
| EAN | 8015644756307 |
| Standard | IEC 60947-2 |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA071780R1 used for?
The ABB 1SDA071780R1 is a 3200 A four-pole air circuit breaker designed for protection, switching and power management in low-voltage distribution and generator systems.
What trip unit is fitted to the ABB 1SDA071780R1?
The circuit breaker is fitted with an Ekip G Hi-Touch LSIG electronic trip unit featuring advanced protection, measurement and generator-specific functionality.
What protection functions does the Ekip G Hi-Touch LSIG provide?
The LSIG configuration provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection.
What is the current rating of the ABB 1SDA071780R1?
The E4.2N circuit breaker has a rated uninterrupted current of 3200 A.
What is the breaking capacity of this Emax 2 circuit breaker?
The E4.2N 3200 configuration has a rated ultimate short-circuit breaking capacity of 66 kA at 440 V AC and a rated short-time withstand current of 66 kA for 1 s.
Is the ABB 1SDA071780R1 fixed or withdrawable?
This model is a fixed four-pole circuit breaker equipped with rear horizontal terminals.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers are engineered for reliable protection, control and management of demanding low-voltage electrical networks, combining robust fault interruption performance with advanced electronic protection, measurement and generator management capabilities.
