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1SDA073505R1 ABB E4.2N/MS 4000 3p WMP Switch-Disconnector
ABB 1SDA073505R1 E4.2N/MS 4000 3p WMP is a three-pole 4000 A SACE Emax 2 withdrawable air switch-disconnector moving part with 690 V AC operational voltage and 66 kA 1-second short-time withstand capability for high-current low-voltage power distribution systems.
£16,371.29
Why Choose the ABB E4.2N/MS 4000 3p WMP Switch-Disconnector?
The ABB E4.2N/MS 4000 3p WMP, order code 1SDA073505R1, is a high-current three-pole withdrawable air switch-disconnector moving part from the ABB SACE Emax 2 range. Designed for demanding low-voltage power distribution systems, it provides a rated uninterrupted current of 4000 A and is suitable for applications with operational voltages up to 690 V AC.
This E4.2N/MS configuration is the moving part of a withdrawable switch-disconnector, designed to operate with the corresponding Emax 2 fixed part. Withdrawable construction supports efficient inspection, maintenance and replacement while providing a practical solution for high-current switchboards where serviceability and system availability are important considerations.
The E4.2N/MS 4000 combines its substantial 4000 A current-carrying capacity with a rated short-time withstand current of 66 kA for 1 s and 50 kA for 3 s. Its N performance level, three-pole arrangement and robust Emax 2 construction make it well suited to main distribution and isolation duties in industrial and infrastructure installations.
Key Advantages
- Very high 4000 A rated uninterrupted current for major low-voltage distribution systems.
- Three-pole configuration for switching and isolation of three-phase circuits.
- Withdrawable moving-part design supports efficient servicing, inspection and replacement.
- Suitable for applications up to 690 V AC.
- Robust 66 kA short-time withstand current for 1 s.
- 50 kA short-time withstand capability for 3 s.
- 12 kV impulse withstand voltage for robust insulation performance.
- Part of ABB's established SACE Emax 2 high-current power distribution platform.
Key Features
- ABB SACE Emax 2 E4.2N/MS series.
- 4000 A rated uninterrupted current.
- Three-pole switching configuration.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 66 kA rated short-time withstand current for 1 s.
- 50 kA rated short-time withstand current for 3 s.
- Withdrawable moving part for use with the corresponding Emax 2 fixed part.
- IP30 front-side protection for installed switchboard applications.
Reliable High-Current Withdrawable Switching and Isolation
The ABB E4.2N/MS provides a dependable means of switching and electrically isolating high-current sections of low-voltage power distribution systems. Its withdrawable construction allows the moving part to be separated from the corresponding fixed part, supporting planned maintenance and replacement while retaining the robust electrical architecture of the SACE Emax 2 platform.
With a 4000 A uninterrupted current rating and 66 kA for 1 s short-time withstand capability, the E4.2N/MS 4000 is engineered for substantial distribution loads. The three-pole configuration makes it particularly suitable for high-current three-phase installations where reliable isolation, serviceability and strong short-time withstand performance are required.
Typical Applications
- High-capacity low-voltage main distribution switchboards.
- Industrial three-phase power distribution systems.
- Large commercial and infrastructure electrical installations.
- Switchboards requiring withdrawable high-current isolation devices.
- Manufacturing and process plant power distribution.
- Main distribution assemblies requiring dependable 4000 A switching and isolation.
Technical Specifications
| Series | SACE Emax 2 E4.2 |
|---|---|
| ABB order code | 1SDA073505R1 |
| Product type | Air switch-disconnector moving part |
| Frame / subtype | E4.2 |
| Short-circuit performance level | N |
| Rated current (In) | 4000 A |
| Rated uninterrupted current (Iu) | 4000 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated short-time withstand current (Icw), 1 s | 66 kA |
| Rated short-time withstand current (Icw), 3 s | 50 kA |
| Rated operational current, AC-21 at 400 V | 4000 A |
| Rated operational current, AC-23 at 400 V | 4000 A |
| Number of poles | 3 |
| Version | Withdrawable moving part (WMP) |
| Main-circuit connection | Bolt connection |
| Front-side protection rating | IP30 |
| Motor operator | Optional |
| Voltage release | Optional |
| Interlockable | Yes |
| Power loss | 900 W |
| Product dimensions (W × H × D) | 425 × 425 × 383 mm |
| Product net weight | 60 kg |
| EAN / GTIN | 8015644773557 |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA073505R1 used for?
The ABB 1SDA073505R1 is a 4000 A three-pole withdrawable air switch-disconnector moving part designed for high-current switching and isolation duties in low-voltage power distribution systems.
What is the rated current of the E4.2N/MS 4000 3p WMP?
The E4.2N/MS 4000 has a rated uninterrupted current of 4000 A.
What does WMP mean on the ABB E4.2N/MS 4000?
WMP identifies the moving part of the withdrawable configuration. It is designed for use with the corresponding ABB SACE Emax 2 fixed part in a withdrawable switchboard installation.
What is the short-time withstand current of the ABB 1SDA073505R1?
The E4.2N/MS 4000 has a rated short-time withstand current of 66 kA for 1 s and 50 kA for 3 s.
What voltage is the E4.2N/MS 4000 rated for?
The device has a rated operational voltage of 690 V AC, a rated insulation voltage of 1000 V AC and a rated impulse withstand voltage of 12 kV.
How many poles does the ABB E4.2N/MS 4000 have?
ABB 1SDA073505R1 has a three-pole configuration designed for switching and isolation in high-current three-phase low-voltage distribution systems.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 switch-disconnectors are engineered for demanding low-voltage power distribution systems where dependable isolation, high current-carrying capability, robust short-time withstand performance and maintainable withdrawable construction are required.
