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1SDA059045R1 ABB E1B/EMS8003p750VDCWMPnew 800 A 3-Pole 750 V DC Switch-Disconnector
ABB E1B/EMS8003p750VDCWMPnew 1SDA059045R1 is an 800 A three-pole 750 V DC SACE Emax air switch-disconnector moving part designed for withdrawable industrial DC power distribution and isolation.
£8,168.43
Why Choose the ABB E1B/EMS8003p750VDCWMPnew Switch-Disconnector?
The ABB E1B/EMS8003p750VDCWMPnew is a specialised SACE Emax air switch-disconnector moving part designed for reliable switching and isolation in high-current DC power distribution systems. Identified by ABB order code 1SDA059045R1, this E1B/E MS model combines an 800 A rated uninterrupted current, three-pole configuration and 750 V DC rated operational voltage.
As part of the ABB SACE Emax E1B/E MS series, this switch-disconnector is intended for installations requiring dependable DC circuit isolation without an integral overcurrent protection function. Its robust Emax construction and B-level short-circuit performance make it suitable for industrial DC distribution, power conversion systems and other demanding electrical installations.
The E1B/EMS8003p750VDCWMPnew is supplied as a three-pole withdrawable moving part. It provides a rated insulation voltage of 1000 V, a rated impulse withstand voltage of 12 kV and a rated short-time withstand current of 20 kA for 1 s, supporting dependable operation in substantial DC distribution systems.
Key Advantages
- Specialised SACE Emax switch-disconnector for DC power distribution.
- 800 A rated uninterrupted current for substantial electrical loads.
- 750 V DC rated operational voltage for industrial DC systems.
- Three-pole configuration for compatible DC switching arrangements.
- Withdrawable moving-part construction supports servicing and switchboard maintenance.
- 20 kA short-time withstand current for 1 s.
Key Features
- ABB SACE Emax E1B/E MS series.
- 800 A rated uninterrupted current.
- Three-pole switch-disconnector configuration.
- 750 V DC rated operational voltage.
- Withdrawable moving part execution.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Optional motor operating mechanism and voltage release capability.
Reliable DC Power Isolation
Switch-disconnectors provide a dependable means of switching and isolating electrical circuits for operation, maintenance and system management. In DC distribution systems, appropriately rated switching equipment is particularly important because direct current does not naturally pass through a zero-current point during each cycle as alternating current does.
The ABB E1B/E MS platform provides dedicated switching and isolation capability for demanding DC applications. Its withdrawable construction allows the moving part to interface with a compatible SACE Emax fixed part, supporting maintenance flexibility and convenient management of equipment within industrial switchboards.
Typical Applications
- Industrial DC power distribution systems.
- DC switchboards and distribution assemblies.
- Power conversion and rectifier installations.
- Manufacturing and process plants.
- High-current DC isolation systems.
- Industrial energy and infrastructure installations.
Technical Specifications
| Series | SACE Emax E1B/E MS |
|---|---|
| ABB order code | 1SDA059045R1 |
| EAN | 8015644614041 |
| Product type | Air switch-disconnector moving part |
| Current type | DC |
| Rated current | 800 A |
| Rated operational current | 800 A |
| Rated uninterrupted current | 800 A |
| Number of poles | 3 |
| Rated operational voltage | 750 V DC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 12 kV |
| Rated short-time withstand current (1 s) | 20 kA |
| Short-circuit performance level | B |
| Execution | Withdrawable moving part |
| Main circuit connection | Bolted connection |
| Front protection rating | IP30 |
| Power loss | 95 W |
| Electrical durability | 10000 cycles |
| Mechanical durability | 25000 cycles |
| Dimensions (W × H × D) | 324 × 461 × 396.5 mm |
| Weight | approx. 55 kg |
| Standard | IEC |
| Product group | New Emax |
Frequently Asked Questions
What is the ABB E1B/EMS8003p750VDCWMPnew used for?
It is an air switch-disconnector moving part designed for switching and isolating high-current DC circuits in industrial power distribution systems.
What is the rated current of ABB 1SDA059045R1?
The E1B/E MS switch-disconnector has a rated uninterrupted current of 800 A.
What voltage is the E1B/EMS8003p750VDCWMPnew designed for?
This specialised SACE Emax model has a rated operational voltage of 750 V DC.
How many poles does ABB 1SDA059045R1 have?
ABB 1SDA059045R1 has a three-pole configuration for compatible DC switching and isolation arrangements.
Is ABB 1SDA059045R1 fixed or withdrawable?
ABB 1SDA059045R1 is a withdrawable moving-part version designed for use with the appropriate SACE Emax fixed part.
Trusted DC Switching from ABB
ABB SACE Emax E1B/E MS switch-disconnectors provide robust switching and isolation for demanding DC distribution systems, combining substantial current capacity, dedicated 750 V DC operation and serviceable withdrawable construction.
