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1SDA058881R1 ABB E3V/MS 1250 1250A 3-Pole Fixed Switch-Disconnector
ABB E3V/MS 1250 1SDA058881R1 is a 1250 A three-pole fixed SACE Emax switch-disconnector with horizontal rear terminals and an 85 kA one-second short-time withstand rating for high-current switching and isolation.
£8,157.24
Why Choose the ABB E3V/MS 1250 3-Pole Fixed Switch-Disconnector?
The ABB E3V/MS 1250 is a high-performance 1250 A three-pole switch-disconnector designed for dependable switching and isolation in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax E3 series, this V-performance device combines robust high-current capability with a fixed construction for permanent integration into industrial, commercial and infrastructure switchgear.
Unlike an Emax circuit breaker equipped with an electronic protection release, the E3V/MS is a switch-disconnector intended primarily for circuit switching and isolation. It operates at up to 690 V AC and provides a rated short-time withstand current of 85 kA for 1 s, making it suitable for distribution systems with high prospective fault currents when coordinated with appropriate protective equipment.
The 1SDA058881R1 configuration is rated at 1250 A and features a three-pole fixed construction with horizontal rear terminals. Its rear flat horizontal connections facilitate direct integration with switchboard busbars, while the E3V/MS platform provides the electrical endurance and short-time withstand performance required for demanding power-distribution installations.
Key Advantages
- Heavy-duty ABB SACE Emax E3V/MS switch-disconnector for low-voltage distribution.
- 1250 A rated uninterrupted current for substantial industrial and commercial loads.
- Three-pole configuration designed for three-phase power circuits.
- Fixed construction provides robust permanent switchboard installation.
- Horizontal rear terminals facilitate busbar integration.
- High 85 kA short-time withstand current for 1 s.
- Rated for operation at up to 690 V AC.
- High 1000 V insulation voltage and 12 kV impulse withstand voltage.
Key Features
- ABB SACE Emax E3V/MS 1250 switch-disconnector.
- 1250 A rated current.
- Three-pole construction.
- Fixed (F) installation version.
- Rear flat horizontal (HR) terminals.
- V short-circuit performance level.
- 690 V AC / 250 V DC rated operational voltage.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 85 kA for 1 s rated short-time withstand current.
- 65 kA for 3 s rated short-time withstand current.
- Designed to applicable IEC requirements.
High-Performance Switching and Isolation for Power Distribution
Switch-disconnectors such as the ABB E3V/MS provide a dependable means of making, carrying and isolating high-current electrical circuits. The V-performance E3 frame provides substantial short-time withstand capability, enabling the device to withstand high prospective fault currents for the specified duration while coordinated protective equipment clears the fault.
The fixed E3V/MS 1250 configuration is particularly suited to permanent switchboard installations where a robust high-current isolation device is required. Its three-pole construction, horizontal rear connections and 85 kA one-second withstand capability make it a practical solution for demanding industrial and commercial low-voltage distribution assemblies.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Main and feeder switching applications.
- Three-phase electrical isolation.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Power distribution centres and switchgear assemblies.
- High-fault-level systems requiring strong short-time withstand performance.
Technical Specifications
| Series | SACE Emax E3 |
|---|---|
| ABB order code | 1SDA058881R1 |
| Product type | Switch-disconnector |
| Frame / device size | E3V/MS 1250 |
| Short-circuit performance level | V |
| Rated current (In) | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational current (Ie) | 1250 A |
| Rated voltage (Ur) | 690 V |
| Rated operational voltage | 690 V AC / 250 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated short-time withstand current (Icw), 1 s | 85 kA |
| Rated short-time withstand current (Icw), 3 s | 65 kA |
| Number of poles | 3 |
| Version | Fixed (F) |
| Terminal connection | Rear flat horizontal (HR) |
| Current type | AC |
| Power loss | 60 W |
| Electrical durability | 12,000 cycles |
| Electrical operating frequency | 20 cycles per hour |
| Mechanical durability | 20,000 cycles |
| Mechanical operating frequency | 60 cycles per hour |
| Product width | 404 mm |
| Product height | 418 mm |
| Product depth | 302 mm |
| Net weight | approx. 60 kg |
| Standard | IEC |
| EAN | 8015644612344 |
| HS code | 85362090 |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB E3V/MS 1250 1SDA058881R1 used for?
The ABB E3V/MS 1250 is a 1250 A three-pole switch-disconnector designed for high-current switching and isolation in low-voltage industrial, commercial and infrastructure power-distribution systems.
What is the current rating of the ABB 1SDA058881R1?
The E3V/MS 1250 has a rated uninterrupted current of 1250 A and a rated operational current of 1250 A.
What is the short-time withstand rating of the ABB E3V/MS 1250?
The E3V/MS 1250 has a rated short-time withstand current of 85 kA for 1 s and 65 kA for 3 s.
How is the ABB 1SDA058881R1 installed?
The 1SDA058881R1 is a three-pole fixed switch-disconnector with rear flat horizontal terminals, making it suitable for permanent integration into compatible low-voltage switchboards.
Is the ABB E3V/MS 1250 an overcurrent-protection circuit breaker?
The E3V/MS 1250 is a switch-disconnector intended primarily for switching and isolation rather than providing integrated electronic overcurrent protection, so suitable protective devices must be coordinated elsewhere in the installation.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax switch-disconnectors provide robust high-current switching and isolation for demanding low-voltage distribution systems, combining high short-time withstand performance with durable construction and flexible switchboard integration.
