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1SDA073455R1 ABB E4.2V/MS 2000 4p FHR Switch-Disconnector
ABB 1SDA073455R1 E4.2V/MS 2000 4p FHR is a fixed four-pole 2000 A SACE Emax 2 air switch-disconnector with horizontal rear terminals and 100 kA 1-second short-time withstand capability for demanding low-voltage power distribution applications.
£7,805.63
Why Choose the ABB E4.2V/MS 2000 4p FHR Switch-Disconnector?
The ABB E4.2V/MS 2000 4p FHR, order code 1SDA073455R1, is a high-performance four-pole air switch-disconnector designed for reliable switching and isolation in demanding low-voltage power distribution systems. As part of the ABB SACE Emax 2 E4.2 series, it provides a rated uninterrupted current of 2000 A and robust short-time withstand performance for industrial, commercial and infrastructure switchboards.
This E4.2V/MS configuration is a fixed four-pole switch-disconnector with horizontal rear terminals. The /MS version is derived from the Emax 2 circuit-breaker platform but is intended for switching and isolation rather than automatic overcurrent protection, providing the isolation characteristics required for switch-disconnector applications.
With a rated operational voltage of 690 V AC, rated insulation voltage of 1000 V AC and rated short-time withstand current of 100 kA for 1 s, the E4.2V/MS 2000 is engineered for high-current distribution systems requiring dependable isolation and exceptional short-time current withstand capability.
Key Advantages
- High-current 2000 A air switch-disconnector for demanding power distribution systems.
- Four-pole configuration supports switching and isolation of three-phase systems with neutral.
- Exceptional 100 kA short-time withstand current for 1 s.
- Fixed installation for permanent integration into low-voltage switchboards.
- Horizontal rear terminals provide an effective connection arrangement for switchboard busbars.
- Rated operational voltage of 690 V AC for industrial low-voltage distribution.
- AC-23A utilisation category for demanding switching duties.
- Part of ABB's established SACE Emax 2 power distribution platform.
Key Features
- ABB SACE Emax 2 E4.2V/MS series.
- 2000 A rated uninterrupted current.
- Four-pole switching configuration.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 100 kA rated short-time withstand current for 1 s.
- 75 kA rated short-time withstand current for 3 s.
- Fixed version for switchboard installation.
- Horizontal rear terminal connection.
- Designed in accordance with IEC 60947-3.
Reliable High-Current Switching and Isolation
Air switch-disconnectors provide a dependable means of switching and electrically isolating sections of a low-voltage installation. The ABB E4.2V/MS is designed to provide the isolation function required by IEC 60947-3 and, when open, establishes the isolation distance needed between its main contacts for downstream equipment.
The Emax 2 E4.2 platform combines high current-carrying capability with compact switchboard integration. With its 100 kA for 1 s short-time withstand capability, the E4.2V/MS 2000 is particularly suited to power distribution assemblies where high prospective fault currents and dependable isolation performance must be accommodated.
Typical Applications
- High-current low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical installations.
- Main incoming and distribution isolation duties.
- Manufacturing and process plant switchboards.
- Power distribution assemblies requiring four-pole isolation.
Technical Specifications
| Series | SACE Emax 2 E4.2 |
|---|---|
| ABB order code | 1SDA073455R1 |
| Product type | Air switch-disconnector |
| Frame / subtype | E4.2V/MS |
| Rated uninterrupted current (Iu) | 2000 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Frequency | 50 / 60 Hz |
| Rated short-time withstand current (Icw), 1 s | 100 kA |
| Rated short-time withstand current (Icw), 3 s | 75 kA |
| Number of poles | 4 |
| Version | Fixed |
| Terminal connection | Horizontal rear terminals (HR) |
| Utilisation category | AC-23A |
| Standard | IEC 60947-3 |
| Dimensions (W × H × D) | 510 × 371 × 270 mm |
| Weight | approx. 70 kg |
| EAN / GTIN | 8015644773052 |
Frequently Asked Questions
What is the ABB 1SDA073455R1 used for?
The ABB 1SDA073455R1 is a 2000 A four-pole air switch-disconnector designed for switching and isolation duties in high-current low-voltage power distribution systems.
What is the rated current of the E4.2V/MS 2000 4p FHR?
The E4.2V/MS 2000 has a rated uninterrupted current of 2000 A.
What does FHR mean on the ABB E4.2V/MS 2000?
The configuration identifies a fixed device with horizontal rear terminals, providing a rear connection arrangement suitable for integration with switchboard busbars.
What is the short-time withstand current of the ABB 1SDA073455R1?
The switch-disconnector has a rated short-time withstand current of 100 kA for 1 s and 75 kA for 3 s.
What voltage is the E4.2V/MS 2000 rated for?
The device has a rated operational voltage of 690 V AC and a rated insulation voltage of 1000 V AC.
Which standard applies to this ABB switch-disconnector?
The E4.2V/MS switch-disconnector is designed in accordance with IEC 60947-3 for low-voltage switchgear and controlgear switching and isolation applications.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 switch-disconnectors are engineered for demanding low-voltage power distribution systems where reliable isolation, high current-carrying capability and robust short-time withstand performance are essential.
