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1SDA071841R1 ABB E4.2H 4000 Ekip Dip LI 4p FHR Air Circuit Breaker 4000 A
ABB 1SDA071841R1 SACE Emax 2 E4.2H 4000 Ekip Dip LI four-pole fixed air circuit breaker rated at 4000 A and 690 V AC with 100 kA breaking capacity at 400–440 V AC and electronic long-time and instantaneous protection.
£22,408.21
Why Choose the ABB E4.2H 4000 Ekip Dip LI 4p FHR Air Circuit Breaker?
The ABB E4.2H 4000 Ekip Dip LI 4p FHR, order code 1SDA071841R1, is a high-performance four-pole air circuit breaker (ACB) designed for protection and switching in demanding low-voltage power distribution systems. Part of the ABB SACE Emax 2 series, it combines a 4000 A rated uninterrupted current with the Ekip Dip LI electronic protection release and the high short-circuit performance of the E4.2H frame.
This fixed circuit breaker incorporates the Ekip Dip LI solid-state electronic trip unit, providing long-time overload and instantaneous short-circuit protection. Protection settings are configured using DIP switches, providing a straightforward solution for applications requiring dependable electronic protection without the additional short-time or earth-fault functions of LSI and LSIG releases.
Rated for operation at up to 690 V AC, the E4.2H 4000 provides an ultimate short-circuit breaking capacity of 100 kA at 400–440 V AC and 85 kA at 690 V AC. It also provides a short-time withstand current of 85 kA for 1 s. This version features a fixed four-pole construction with rear flat horizontal terminals, making it suitable for high-capacity industrial, commercial and infrastructure switchboards.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
- 4000 A rated uninterrupted current for high-current electrical installations.
- Four-pole configuration with the neutral pole rated at 100% of Iu.
- Ekip Dip LI electronic trip unit with long-time overload and instantaneous short-circuit protection.
- 100 kA ultimate short-circuit breaking capacity at 400–440 V AC.
- 85 kA ultimate short-circuit breaking capacity at 690 V AC.
- 85 kA short-time withstand current for 1 s for demanding power distribution applications.
- Simple DIP-switch adjustment of electronic protection settings.
- Fixed configuration with rear flat horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2H series.
- 4000 A rated uninterrupted current.
- Four-pole construction.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 50/60 Hz operating frequency.
- H short-circuit performance level.
- 100 kA Icu at 400–440 V AC.
- 85 kA Icu at 500–690 V AC.
- 100% Ics/Icu ratio.
- 85 kA short-time withstand current for 1 s.
- 75 kA short-time withstand current for 3 s.
- Ekip Dip LI solid-state electronic protection release.
- Long-time overload and instantaneous short-circuit protection functions.
- Overload protection adjustable from 0.4–1 × In.
- Instantaneous protection adjustable from 1.5–15 × In.
- Four auxiliary contacts with circuit-breaker open/closed position indication.
- Fixed circuit-breaker construction with rear flat horizontal terminals.
High-Performance LI Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage distribution circuits against potentially damaging overload and short-circuit conditions. The E4.2H frame combines a substantial 4000 A current rating with high fault-interruption capability, helping protect cables, busbars, switchgear and connected electrical equipment in large power distribution systems.
The Ekip Dip LI electronic trip unit provides long-time overload and instantaneous short-circuit protection with adjustable settings configured through DIP switches. Combined with the E4.2H frame's 100 kA Icu at 400–440 V AC, 85 kA Icu at 690 V AC and 85 kA Icw for 1 s, the 1SDA071841R1 is particularly suited to main switchboards and high-current distribution circuits requiring dependable electronic protection and substantial fault-interruption performance.
Typical Applications
- Main low-voltage electrical distribution switchboards.
- High-current industrial power distribution systems.
- Manufacturing and process facilities.
- Large commercial buildings and infrastructure installations.
- High-capacity feeder and distribution circuits.
- Transformer-fed low-voltage distribution systems.
- Critical power and utility distribution installations.
- Electrical switchgear and high-capacity power distribution assemblies.
Technical Specifications
| Range | SACE Emax 2 |
|---|---|
| Series | E4.2H |
| ABB order code | 1SDA071841R1 |
| EAN / GTIN | 8015644756918 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 4000 A |
| Rated current (In) | 4000 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Frequency | 50/60 Hz |
| Number of poles | 4 |
| Neutral pole current | 100% of Iu |
| Short-circuit performance level | H |
| Ultimate short-circuit breaking capacity (Icu) at 400 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 415 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 440 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 500/525 V AC | 85 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 85 kA |
| Service short-circuit breaking capacity (Ics) | 100% of Icu |
| Short-time withstand current (Icw) | 85 kA for 1 s; 75 kA for 3 s |
| Trip unit | Ekip Dip LI |
| Release type | Solid-state electronic |
| Protection functions | Long-time (L) and instantaneous (I) |
| Overload protection adjustment | 0.4–1 × In |
| Instantaneous protection adjustment | 1.5–15 × In |
| Integrated earth-fault protection | No |
| Mounting type | Fixed |
| Terminal type | Rear flat horizontal |
| Main circuit connection | Bolt connection |
| Auxiliary contacts | 4 |
| Power loss | 465 W |
| Mechanical durability | 15,000 operating cycles |
| Electrical durability | 5000 cycles at up to 440 V AC; 4000 cycles at 500–690 V AC |
| Dimensions (W × H × D) | 510 × 371 × 270 mm |
| Net weight | 70 kg |
| Standard | IEC 60947-2 |
| Country of origin | Italy |
Frequently Asked Questions
What is the ABB 1SDA071841R1 used for?
The ABB 1SDA071841R1 is a four-pole air circuit breaker used for switching and protecting high-current low-voltage power distribution circuits against overload and short-circuit conditions.
What is the rated current of the ABB 1SDA071841R1?
The E4.2H 4000 Ekip Dip LI 4p FHR has a rated uninterrupted current of 4000 A and a rated operational voltage of up to 690 V AC.
What is the short-circuit breaking capacity of the ABB 1SDA071841R1?
The E4.2H provides an ultimate short-circuit breaking capacity of 100 kA at 400–440 V AC and 85 kA at 690 V AC, with a short-time withstand current of 85 kA for 1 s.
What protection functions does the Ekip Dip LI trip unit provide?
The Ekip Dip LI electronic trip unit provides long-time overload (L) and instantaneous short-circuit (I) protection, with settings adjusted through DIP switches. This LI configuration does not include integrated short-time or earth-fault protection.
How is the ABB 1SDA071841R1 installed?
This model is a fixed four-pole circuit breaker with rear flat horizontal terminals and bolt-connected main terminals, designed for installation within compatible low-voltage switchboards and high-capacity power distribution assemblies.
Trusted Power Protection from ABB
ABB SACE Emax 2 air circuit breakers combine electronic protection with robust switching and high short-circuit performance, providing dependable protection and control for demanding industrial, commercial and infrastructure power distribution systems.
