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1SDA059043R1 ABB E1B/E MS 1250 3p 750V DC F HR new 1250 A 3-Pole Fixed Switch-Disconnector
ABB E1B/E MS 1250 1SDA059043R1 is a 1250 A three-pole fixed SACE Emax DC switch-disconnector rated for 750 V DC operation with horizontal rear terminals for high-current industrial power distribution systems.
£7,556.71
Why Choose the ABB E1B/E MS 1250 3p 750V DC F HR new Switch-Disconnector?
The ABB E1B/E MS 1250 3p 750V DC F HR new, order code 1SDA059043R1, is a high-performance three-pole fixed DC switch-disconnector from the ABB SACE Emax range, designed for reliable switching and isolation in demanding direct-current power distribution systems. With a rated uninterrupted current of 1250 A and a rated operational voltage of 750 V DC, it provides a robust solution for industrial DC distribution and specialised electrical switchgear.
This E1 frame switch-disconnector combines substantial current-carrying capability with the proven construction of the ABB SACE Emax platform. Its fixed configuration and horizontal rear terminals provide a practical arrangement for integration into electrical switchboards and busbar systems where dependable DC isolation and high-current switching are required.
With a rated uninterrupted current of 1250 A at 40 °C and a rated short-time withstand current of 20 kA for 1 s, the E1B/E MS 1250 is engineered for demanding DC installations. Its 750 V DC three-pole configuration provides a purpose-designed switching and isolation solution for high-current direct-current distribution systems.
Key Advantages
- Heavy-duty 1250 A DC switch-disconnector for industrial power distribution.
- 750 V DC rated operational voltage for specialised direct-current applications.
- Three-pole configuration designed for 750 V DC installations.
- Rated short-time withstand current of 20 kA for 1 s.
- Fixed installation provides robust integration into electrical switchboards.
- Horizontal rear terminals support practical switchboard and busbar connections.
- Part of ABB's established SACE Emax switching platform.
Key Features
- ABB SACE Emax E1B/E MS switch-disconnector.
- 1250 A rated uninterrupted current at 40 °C.
- 750 V DC rated operational voltage.
- Three-pole design.
- 20 kA rated short-time withstand current for 1 s.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Fixed installation configuration.
- Horizontal rear terminal connections.
- Electrical durability of 10,000 operating cycles.
- Mechanical durability of 25,000 operating cycles.
Reliable Switching and Isolation for 750 V DC Systems
DC switch-disconnectors provide a dependable means of switching and isolating direct-current circuits, allowing sections of an electrical installation to be disconnected for operation, inspection or maintenance. The ABB E1B/E MS 1250 is specifically configured for demanding DC systems requiring high current capacity and reliable electrical isolation.
Its 1250 A current rating, 750 V DC operational voltage and three-pole fixed E1 frame construction make it suitable for specialised industrial DC power distribution systems. Horizontal rear terminals facilitate integration with switchboard busbars, while the fixed configuration provides a robust installation for high-current applications.
Typical Applications
- Industrial DC power distribution systems.
- 750 V DC electrical distribution applications.
- High-current DC switchboards.
- DC switching and electrical isolation.
- Manufacturing and process plant electrical systems.
- Specialised industrial DC switchgear assemblies.
- OEM DC power distribution panels and switchboards.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Frame | E1 |
| Extended product type | E1B/EMS12503p750VDCFHRnew |
| ABB order code | 1SDA059043R1 |
| Product group | 310513-New Emax |
| Product type | Circuit-breaker switch-disconnector |
| Rated uninterrupted current (Iu) | 1250 A at 40 °C |
| Number of poles | 3 |
| Rated operational voltage | 750 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated short-time withstand current (Icw) | 20 kA for 1 s |
| Current type | DC |
| Installation type | Fixed |
| Terminal orientation | Horizontal rear |
| Electrical durability | 10,000 cycles |
| Mechanical durability | 25,000 cycles |
| Dimensions (W × H × D) | 296 × 418 × 302 mm |
| EAN | 8015644614027 |
Frequently Asked Questions
What is the ABB 1SDA059043R1 used for?
The ABB 1SDA059043R1 is a 1250 A three-pole fixed DC switch-disconnector designed for high-current switching and isolation in electrical distribution systems operating at 750 V DC.
What is the current rating of the E1B/E MS 1250?
The E1B/E MS 1250 has a rated uninterrupted current of 1250 A at 40 °C.
What voltage is the ABB 1SDA059043R1 designed for?
The switch-disconnector is designed for 750 V DC applications in its three-pole configuration.
What is the short-time withstand current of the E1B/E MS 1250?
The ABB E1B/E MS 1250 has a rated short-time withstand current of 20 kA for 1 s.
How is the ABB E1B/EMS12503p750VDCFHRnew installed?
This model is a fixed three-pole unit with horizontal rear terminals for integration into compatible DC switchboards and busbar systems.
Trusted ABB DC Power Distribution Technology
ABB SACE Emax switch-disconnectors provide dependable switching and electrical isolation for demanding power distribution applications, with dedicated configurations engineered for high-current DC systems and specialised operating voltages.
