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1SDA073456R1 ABB E4.2V/MS 2500 4p FHR Switch-Disconnector
ABB 1SDA073456R1 E4.2V/MS 2500 4p FHR is a fixed four-pole 2500 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.
£9,808.19
Why Choose the ABB E4.2V/MS 2500 4p FHR Switch-Disconnector?
The ABB E4.2V/MS 2500 4p FHR, order code 1SDA073456R1, 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 2500 A and robust short-time withstand performance for industrial, commercial and infrastructure switchboards.
This E4.2V/MS configuration is supplied as a fixed four-pole device with horizontal rear terminals, providing an effective connection arrangement for integration with switchboard busbars. The MS switch-disconnector design provides dependable circuit switching and isolation, while the Emax 2 platform combines high electrical performance with flexible installation for modern power distribution assemblies.
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 2500 is engineered for high-current distribution systems where reliable isolation and exceptional short-time current withstand capability are required.
Key Advantages
- High-current 2500 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.
- 100% neutral pole current capability for four-pole distribution applications.
- Part of ABB's established SACE Emax 2 power distribution platform.
Key Features
- ABB SACE Emax 2 E4.2V/MS series.
- 2500 A rated uninterrupted current.
- Four-pole switching configuration.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand 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.
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 combines a high continuous-current rating with substantial short-time withstand capability, making it suitable for distribution systems where robust isolation and dependable operation under demanding electrical conditions are essential.
The Emax 2 E4.2 platform is designed for modern low-voltage distribution assemblies requiring high current-carrying capability and efficient switchboard integration. With its 2500 A uninterrupted current rating and 100 kA for 1 s short-time withstand capability, this fixed four-pole configuration is particularly suited to high-capacity main and distribution switching applications.
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 | 1SDA073456R1 |
| Product type | Air switch-disconnector |
| Frame / subtype | E4.2 |
| Short-circuit performance level | V |
| Rated uninterrupted current (Iu) | 2500 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 | 100 kA |
| Rated short-time withstand current (Icw), 3 s | 75 kA |
| Number of poles | 4 |
| Neutral pole current | 100% of Iu |
| Version | Fixed |
| Terminal connection | Rear flat horizontal |
| Terminal type | Bolt |
| Dimensions (W × H × D) | 510 × 371 × 270 mm |
| Weight | approx. 70 kg |
| Mechanical durability | 20,000 cycles |
| EAN / GTIN | 8015644773069 |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA073456R1 used for?
The ABB 1SDA073456R1 is a 2500 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 2500 4p FHR?
The E4.2V/MS 2500 has a rated uninterrupted current of 2500 A.
What does FHR mean on the ABB E4.2V/MS 2500?
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 1SDA073456R1?
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 2500 rated for?
The device has a rated operational voltage of 690 V AC and a rated insulation voltage of 1000 V AC.
How many poles does the ABB E4.2V/MS 2500 have?
This configuration has four poles, with the neutral pole rated to carry 100% of the rated uninterrupted current.
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.
