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1SDA073514R1 ABB E1.2N/MS 250 4p WMP Emax 2 Switch Disconnector 250 A
ABB 1SDA073514R1 E1.2N/MS 250 4p WMP is a 250 A four-pole withdrawable SACE Emax 2 air switch disconnector rated for operation up to 690 V AC with a 50 kA short-time withstand current.
£4,458.26
Why Choose the ABB E1.2N/MS 250 4p WMP Emax 2 Switch Disconnector?
The ABB E1.2N/MS 250 4p WMP, order code 1SDA073514R1, is a high-performance four-pole air switch disconnector from the ABB SACE Emax 2 range, designed for switching and isolation duties in low-voltage electrical distribution systems. Built on the compact E1.2 frame, this withdrawable moving part provides a 250 A rated uninterrupted current for industrial, commercial and infrastructure power distribution applications.
As part of the advanced ABB SACE Emax 2 family, the E1.2N/MS combines compact dimensions with robust electrical performance. Its N performance level provides a rated short-time withstand current of 50 kA, making it suitable for installations requiring dependable isolation and substantial short-time current withstand capability.
The E1.2N/MS 250 4p WMP is a withdrawable four-pole moving part with a rated operational voltage of up to 690 V AC. Its four-pole configuration enables simultaneous switching of three phases and the neutral, while the withdrawable design facilitates inspection, servicing and replacement within compatible ABB Emax 2 switchgear.
Key Advantages
- Compact 250 A four-pole switch disconnector for low-voltage power distribution.
- 50 kA rated short-time withstand current for demanding electrical installations.
- Rated operational voltage up to 690 V AC.
- Four-pole configuration enables switching of all three phases and neutral.
- Withdrawable moving-part construction supports convenient inspection and maintenance.
- Compact ABB Emax 2 E1.2 frame helps optimise switchboard space.
- Suitable for AC-21 and AC-23 switching duties.
- Designed for dependable switching and isolation in industrial power distribution systems.
Key Features
- ABB SACE Emax 2 E1.2N/MS series.
- 250 A rated uninterrupted current (Iu).
- Four-pole configuration.
- 690 V AC rated operational voltage (Ue).
- 50 kA rated short-time withstand current (Icw).
- 250 A AC-21 rated operational current at 400 V.
- 250 A AC-23 rated operational current at 400 V.
- Withdrawable moving-part construction.
- Interlockable operating mechanism.
- Designed for use with a compatible Emax 2 E1.2 fixed part.
- IEC-compliant low-voltage switch disconnector.
Reliable Four-Pole Switching and Isolation
Switch disconnectors such as the ABB E1.2N/MS provide controlled switching and dependable isolation of electrical circuits in low-voltage distribution systems. The four-pole configuration allows the neutral conductor to be switched together with the three phase conductors, making the device particularly suitable for distribution systems where complete four-pole isolation is required.
The Emax 2 platform is designed for modern switchboards where compact construction, high electrical performance and maintainability are important. The withdrawable E1.2N/MS moving part can be disconnected and removed from its compatible fixed section, helping simplify inspection, servicing and replacement while reducing disruption to the surrounding switchboard installation.
Typical Applications
- Industrial low-voltage switchboards.
- Four-pole power distribution systems.
- Main and sub-distribution panels.
- Commercial building electrical distribution.
- Manufacturing and process industry installations.
- Power isolation and switching applications.
- Infrastructure electrical distribution systems.
- Installations requiring simultaneous phase and neutral switching.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code / MPN | 1SDA073514R1 |
| Product type | Air switch disconnector moving part |
| Frame / sub-type | E1.2 |
| Performance level | N |
| Version | W / withdrawable |
| Number of poles | 4 |
| Rated uninterrupted current (Iu) | 250 A |
| Rated operational current, AC-21 at 400 V | 250 A |
| Rated operational current, AC-23 at 400 V | 250 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated short-time withstand current (Icw) | 50 kA |
| Mounting / construction | Withdrawable moving part |
| Interlockable | Yes |
| Weight | approx. 20 kg |
| Power loss | 62 W |
| EAN | 8015644773649 |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA073514R1 used for?
The ABB 1SDA073514R1 is an Emax 2 four-pole air switch disconnector moving part designed for switching and isolation duties in low-voltage electrical distribution systems.
What is the current rating of the E1.2N/MS 250 4p WMP?
The device has a rated uninterrupted current of 250 A, making it suitable for industrial, commercial and infrastructure low-voltage distribution applications.
What voltage is the ABB E1.2N/MS 250 rated for?
The E1.2N/MS 250 4p WMP has a rated operational voltage of up to 690 V AC.
What is the short-time withstand current of this device?
The E1.2N/MS 250 has a rated short-time withstand current of 50 kA, providing robust performance in electrical distribution installations with high prospective fault currents.
Is the ABB 1SDA073514R1 a four-pole withdrawable device?
Yes. The E1.2N/MS 250 4p WMP is a four-pole withdrawable moving part designed for use with a compatible ABB SACE Emax 2 E1.2 fixed section.
Trusted ABB Power Distribution Technology
ABB SACE Emax 2 switch disconnectors are engineered for modern low-voltage power distribution systems, combining compact construction, robust short-time withstand performance and flexible withdrawable designs for industrial, commercial and infrastructure applications.
