Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA059047R1 ABB E1B/E MS 1250 3P 750 V DC W MP 1250 A Switch-Disconnector
ABB 1SDA059047R1 E1B/E MS 1250 3P 750 V DC W MP is a 1250 A three-pole withdrawable SACE Emax switch-disconnector moving part designed for high-current switching and electrical isolation at 750 V DC.
£9,068.00
Why Choose the ABB E1B/E MS 1250 3P 750 V DC W MP Switch-Disconnector?
The ABB E1B/E MS 1250 3P 750 V DC W MP, order code 1SDA059047R1, is a SACE Emax switch-disconnector moving part designed for dependable switching and electrical isolation in demanding DC power distribution systems. Part of the ABB SACE Emax E1 series, this three-pole unit provides a rated current of 1250 A and a rated operational voltage of 750 V DC.
Designed for withdrawable installations, the E1B/E MS 1250 is supplied as the moving part (MP) of the switch-disconnector assembly. Its withdrawable construction facilitates inspection, servicing and replacement within compatible ABB SACE Emax switchgear, providing a practical solution where maintainability and operational flexibility are important.
The E1 frame, B performance level and rated short-time withstand current of 20 kA for 1 s provide robust capability for DC distribution applications. Combined with a rated insulation voltage of 1000 V, impulse withstand voltage of 12 kV and 750 V DC operational rating, the E1B/E MS 1250 is well suited to specialised high-current DC systems.
Key Advantages
- High-current 1250 A switch-disconnector for demanding DC distribution applications.
- Designed for operation at 750 V DC.
- Three-pole configuration for compatible DC power distribution arrangements.
- Withdrawable moving-part design supports convenient inspection, servicing and replacement.
- Rated short-time withstand current of 20 kA for 1 s.
- Electrical durability of 10,000 cycles and mechanical durability of 25,000 cycles.
Key Features
- ABB SACE Emax E1B/E MS series.
- 1250 A rated current.
- 750 V DC rated operational voltage.
- Three-pole configuration.
- E1 frame size.
- B performance level.
- Withdrawable installation format.
- Supplied as the moving part (MP) of the switch-disconnector assembly.
- 1000 V rated insulation voltage and 12 kV impulse withstand voltage.
- 230 W power loss at rated operating conditions.
Reliable Withdrawable Switching and Isolation at 750 V DC
Switch-disconnectors provide controlled switching and electrical isolation within power distribution systems, allowing circuits and connected equipment to be separated from their electrical supply when required. The ABB E1B/E MS 1250 is specifically configured for 750 V DC applications requiring substantial current-carrying capability and dependable electrical isolation.
The three-pole configuration and withdrawable moving-part construction make the unit suitable for compatible DC switchgear architectures where serviceability is important. Combined with its 1250 A current rating, 1000 V insulation voltage and 20 kA for 1 s short-time withstand capability, the E1B/E MS 1250 3P 750 V DC W MP provides a robust solution for industrial DC power distribution.
Typical Applications
- Industrial 750 V DC power distribution systems.
- High-current DC switchboards and distribution assemblies.
- Industrial DC bus and feeder isolation.
- Manufacturing and process plant electrical infrastructure.
- Energy and specialised infrastructure installations.
- Withdrawable DC switchgear requiring serviceable moving components.
- Applications requiring 1250 A DC switching and electrical isolation.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Extended product type | E1B/EMS12503p750VDCWMPnew |
| Order code / MPN | 1SDA059047R1 |
| Product group | 310513-New Emax |
| Product type | Switch-disconnector moving part |
| Frame | E1 |
| Performance level | B |
| Rated current (In) | 1250 A |
| Rated operational current (Ie) | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational voltage | 750 V DC |
| Rated voltage (Ur) | 750 V |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 3 |
| Current type | DC |
| Rated short-time withstand current (Icw) | 20 kA for 1 s |
| Installation | Withdrawable |
| Configuration | Moving part (MP) |
| Main circuit connection | Bolted connection |
| Front protection rating | IP30 |
| Power loss | 230 W |
| Electrical durability | 10,000 cycles at up to 30 cycles per hour |
| Mechanical durability | 25,000 cycles at up to 60 cycles per hour |
| Voltage release | Optional |
| Motor operator | Optional |
| Integrated motor operator | No |
| Dimensions (W × H × D) | 324 × 461 × 396.5 mm |
| Product net weight | 44 kg |
| EAN | 8015644614065 |
| Customs tariff / HS code | 85362090 |
| Standards | IEC |
Frequently Asked Questions
What is the ABB E1B/E MS 1250 3P 750 V DC W MP used for?
The ABB E1B/E MS 1250 is a 1250 A switch-disconnector moving part designed for high-current switching and electrical isolation in compatible DC power distribution systems operating at 750 V DC.
What is the current rating of the ABB 1SDA059047R1?
The ABB 1SDA059047R1 has a rated operational and uninterrupted current of 1250 A.
What is the operating voltage of the ABB E1B/E MS 1250?
This version of the ABB E1B/E MS 1250 has a rated operational voltage of 750 V DC.
What is the short-time withstand current of the ABB 1SDA059047R1?
The ABB 1SDA059047R1 has a rated short-time withstand current of 20 kA for 1 s.
What does 3P W MP mean on the ABB E1B/E MS 1250?
3P identifies the three-pole configuration, W denotes the withdrawable execution and MP identifies the moving part of the switch-disconnector assembly.
Trusted ABB SACE Emax DC Power Distribution Technology
ABB SACE Emax switch-disconnectors provide robust high-current switching and electrical isolation for demanding power distribution applications, with specialised DC configurations and withdrawable designs supporting maintainable industrial switchgear installations.
