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1SDA073179R1 ABB E4.2N 4000 Ekip Hi-Touch LSIG 4p WMP Air Circuit Breaker 4000 A
ABB 1SDA073179R1 is a four-pole SACE Emax 2 E4.2N 4000 A withdrawable air circuit breaker moving part with an Ekip Hi-Touch LSIG electronic trip unit for advanced overload, short-circuit and earth-fault protection in high-current low-voltage power distribution systems.
£24,352.31
Why Choose the ABB E4.2N 4000 Ekip Hi-Touch LSIG 4p WMP Air Circuit Breaker?
The ABB E4.2N 4000 Ekip Hi-Touch LSIG 4p WMP, order code 1SDA073179R1, is a high-performance SACE Emax 2 air circuit breaker designed for protection, switching and control in demanding low-voltage electrical distribution systems. This four-pole withdrawable moving part combines a rated uninterrupted current of 4000 A with ABB's advanced Ekip Hi-Touch LSIG electronic trip unit.
The Ekip Hi-Touch LSIG release provides comprehensive long-time, short-time, instantaneous and earth-fault protection, helping protect electrical installations against sustained overloads, short circuits and ground faults. Its advanced protection, measurement and monitoring capabilities make it suitable for sophisticated power-distribution systems requiring precise coordination and system supervision.
The E4.2N 4000 provides an ultimate short-circuit breaking capacity of 66 kA across 400–690 V AC, with a service breaking capacity equal to 100% of Icu. Its four-pole withdrawable construction, 66 kA short-time withstand current for 1 s and high continuous-current capability make it well suited to main switchboards, industrial distribution and critical power installations.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
- 4000 A rated uninterrupted current for substantial industrial and infrastructure loads.
- Four-pole configuration with 100% neutral pole current capability.
- Advanced Ekip Hi-Touch LSIG electronic trip unit.
- LSIG functionality provides long-time, short-time, instantaneous and earth-fault protection.
- 66 kA ultimate short-circuit breaking capacity up to 690 V AC.
- Ics equal to 100% of Icu for robust service short-circuit performance.
- Withdrawable moving-part design supports convenient isolation, inspection and maintenance.
Key Features
- ABB SACE Emax 2 E4.2N series.
- 4000 A rated uninterrupted current.
- Four-pole air circuit breaker.
- 100% neutral pole current.
- Ekip Hi-Touch electronic trip unit.
- LSIG protection functions for comprehensive overload, short-circuit and earth-fault protection.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 66 kA Icu across 400–690 V AC.
- 66 kA Icw for 1 s and 50 kA for 3 s.
- Adjustable overload protection from 1600–4000 A.
- Adjustable short-time delayed short-circuit protection from 2400–40000 A.
- Adjustable instantaneous short-circuit protection from 6000–60000 A.
- Integrated earth-fault protection.
- Four auxiliary change-over contacts with open/closed circuit-breaker position indication.
Advanced Protection and Power Management with Ekip Hi-Touch
ABB SACE Emax 2 air circuit breakers are engineered to protect high-current low-voltage installations while providing dependable switching and selective fault interruption. The E4.2N 4000 combines a substantial 4000 A uninterrupted-current rating with 66 kA short-circuit breaking capacity throughout a broad range of operating voltages, making it suitable for major distribution boards and critical electrical infrastructure.
The Ekip Hi-Touch LSIG electronic trip unit combines long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection with advanced measurement and supervision capabilities. Adjustable protection settings support effective coordination between upstream and downstream protective devices, helping isolate faults while maintaining continuity of service in unaffected sections of the electrical network.
Typical Applications
- Low-voltage main distribution switchboards.
- High-current industrial power distribution systems.
- Transformer secondary and installation protection.
- Manufacturing and process-industry electrical systems.
- Commercial and infrastructure power distribution.
- Data centres and critical power installations.
- High-current switchgear and power-distribution assemblies.
Technical Specifications
| Series | SACE Emax 2 E4.2 |
|---|---|
| Order code / MPN | 1SDA073179R1 |
| Product type | Air circuit breaker moving part |
| Rated current | 4000 A |
| Rated uninterrupted current (Iu) | 4000 A |
| Number of poles | 4 |
| Neutral pole current | 100% |
| Performance level | N |
| 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 | 66 kA |
| Ultimate short-circuit breaking capacity (Icu) at 440 V AC | 66 kA |
| Ultimate short-circuit breaking capacity (Icu) at 500/525 V AC | 66 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 66 kA |
| Rated service short-circuit breaking capacity (Ics) | 100% of Icu |
| Short-time withstand current (Icw), 1 s | 66 kA |
| Short-time withstand current (Icw), 3 s | 50 kA |
| Release unit | Ekip Hi-Touch |
| Release type | Electronic |
| Protection functions | LSIG |
| Long-time protection | Adjustable overload protection |
| Short-time protection | Adjustable delayed short-circuit protection |
| Instantaneous protection | Adjustable instantaneous short-circuit protection |
| Earth-fault protection | Integrated |
| Overload release setting range | 1600–4000 A |
| Short-time delayed short-circuit setting range | 2400–40000 A |
| Instantaneous short-circuit setting range | 6000–60000 A |
| Configuration | Withdrawable moving part |
| Main circuit connection | Connection through separate fixed chassis part |
| Auxiliary contacts | 4 change-over contacts |
| Circuit-breaker position indication | Open / closed |
| Current type | AC |
| Motor drive integrated | No |
| Motor drive optional | Yes |
| Protection rating | IP30 |
| Power loss | 900 W |
| Electrical durability at ≤440 V | 5000 cycles |
| Electrical durability at 500–690 V | 4000 cycles |
| Mechanical durability | 15000 cycles |
| Suitable for IT networks | Yes, up to 690 V |
| Dimensions (W × H × D) | 551 × 425 × 383 mm |
| Weight | approx. 74 kg |
| GTIN / EAN | 8015644770297 |
| Standard | IEC 60947-2 |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA073179R1 used for?
The ABB 1SDA073179R1 is a SACE Emax 2 air circuit breaker moving part designed for switching and protecting high-current low-voltage electrical distribution systems in industrial, commercial, infrastructure and critical power applications.
What is the rated current of the E4.2N 4000?
The ABB E4.2N 4000 has a rated uninterrupted current of 4000 A, making it suitable for high-current main distribution and industrial power applications.
What protection functions does the Ekip Hi-Touch LSIG release provide?
The Ekip Hi-Touch LSIG electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection, helping protect electrical systems against sustained overloads, short circuits and ground faults.
What is the breaking capacity of the ABB E4.2N 4000?
The E4.2N 4000 provides an ultimate short-circuit breaking capacity of 66 kA at 400–690 V AC, with a rated service breaking capacity equal to 100% of Icu.
Is the ABB 1SDA073179R1 a fixed or withdrawable breaker?
This model is supplied as a four-pole withdrawable moving part for a compatible ABB SACE Emax 2 fixed chassis, allowing the breaker to be isolated and withdrawn for inspection or maintenance.
Trusted ABB Protection for High-Power Electrical Systems
ABB SACE Emax 2 air circuit breakers combine high-current switching, advanced electronic protection and dependable short-circuit performance for demanding industrial, commercial, infrastructure and critical power-distribution systems.
