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1SDA058939R1 ABB E1B/MS 800 3-Pole Withdrawable Switch Disconnector
ABB 1SDA058939R1 is a SACE Emax E1B/MS 800 A three-pole withdrawable switch-disconnector moving part designed for reliable switching and isolation in low-voltage power distribution systems.
£6,154.23
Why Choose the ABB 1SDA058939R1 E1B/MS 800 Switch Disconnector?
The ABB 1SDA058939R1 is a SACE Emax E1B/MS switch-disconnector moving part designed for dependable switching and isolation in low-voltage electrical distribution systems. Part of the established ABB SACE Emax New Emax series, this three-pole withdrawable unit provides a rated current of 800 A for industrial, commercial and infrastructure power distribution applications.
Designed as the moving part of a withdrawable switch-disconnector assembly, the E1B/MS 800 combines reliable electrical isolation with convenient servicing and replacement. Its E1 frame, B performance level and three-pole configuration make it a practical solution for three-phase distribution systems requiring robust high-current isolation.
The 1SDA058939R1 supports operational voltages of 690 V AC and 250 V DC. With a rated insulation voltage of 1000 V, rated impulse withstand voltage of 12 kV and short-time withstand current of 42 kA for 1 s, it provides dependable electrical performance for demanding low-voltage switchgear installations.
Key Advantages
- ABB SACE Emax E1B/MS design for dependable low-voltage switching and isolation.
- 800 A rated current for industrial and commercial distribution systems.
- Three-pole configuration for three-phase electrical applications.
- Withdrawable moving-part construction supports convenient inspection, servicing and replacement.
- High 42 kA short-time withstand current for 1 s.
- Designed for integration with compatible ABB SACE Emax withdrawable switchgear assemblies.
Key Features
- ABB SACE Emax E1B/MS series.
- 800 A rated uninterrupted current.
- 3-pole configuration.
- 690 V AC / 250 V DC rated operational voltage.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 42 kA short-time withstand current for 1 s.
- 36 kA short-time withstand current for 3 s.
- Withdrawable moving part (W MP) execution.
- Mechanical durability of 25,000 operating cycles.
Reliable Switching and Isolation for Power Distribution
The ABB SACE Emax E1B/MS provides a dependable means of switching and isolating low-voltage electrical circuits. Its 800 A continuous current capability and short-time withstand performance make it suitable for distribution boards and industrial switchgear where reliable circuit separation is required for operation and maintenance.
The withdrawable construction allows the moving part to be separated from its compatible fixed section, helping simplify inspection, servicing and replacement. Combined with its three-pole configuration and durable operating mechanism, the 1SDA058939R1 provides a practical solution for maintainable three-phase power distribution systems.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main incoming and outgoing electrical isolation.
- Manufacturing and process industry power distribution.
- Commercial building electrical distribution systems.
- Generator and transformer distribution installations.
- Three-phase switchgear requiring withdrawable high-current isolation.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| Order code | 1SDA058939R1 |
| Product group | 310513-New Emax |
| Product type | Switch-disconnector moving part |
| Frame / sub-type | E1 |
| Performance level | B |
| Rated current (In) | 800 A |
| Rated operational current (Ie) | 800 A |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Current type | AC |
| Rated operational voltage | 690 V AC / 250 V DC |
| Rated voltage (Ur) | 690 V |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Short-time withstand current (Icw, 1 s) | 42 kA |
| Short-time withstand current (Icw, 3 s) | 36 kA |
| Power loss | 95 W |
| Execution | Withdrawable moving part (W MP) |
| Terminal connection type | Withdrawable circuit breaker |
| Electrical durability | 10,000 cycles |
| Electrical operating frequency | 30 cycles per hour |
| Mechanical durability | 25,000 cycles |
| Mechanical operating frequency | 60 cycles per hour |
| Standards | IEC |
| Net weight | 55 kg |
| EAN | 8015644612986 |
Frequently Asked Questions
What is the ABB 1SDA058939R1 used for?
The ABB 1SDA058939R1 is an 800 A three-pole SACE Emax switch-disconnector moving part designed for switching and isolation in low-voltage electrical distribution systems.
What is the rated current of the ABB 1SDA058939R1?
The E1B/MS 800 has a rated current, rated operational current and rated uninterrupted current of 800 A.
How many poles does the ABB 1SDA058939R1 have?
The 1SDA058939R1 has a three-pole configuration, making it suitable for three-phase electrical distribution and isolation applications.
Is the ABB 1SDA058939R1 fixed or withdrawable?
The 1SDA058939R1 is a withdrawable moving part (W MP) designed for use with a compatible ABB SACE Emax fixed part.
What is the short-time withstand rating of the ABB 1SDA058939R1?
The E1B/MS 800 has a short-time withstand current of 42 kA for 1 s and 36 kA for 3 s.
Trusted ABB Switching for Critical Power Systems
ABB SACE Emax E1B/MS switch disconnectors are engineered for dependable switching and isolation in low-voltage distribution systems, combining robust electrical performance, durable operation and maintainable withdrawable construction.
