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1SDA073479R1 ABB E1.2N/MS 800 3p WMP Emax 2 Switch Disconnector 800 A
ABB 1SDA073479R1 E1.2N/MS 800 3p WMP is an 800 A three-pole withdrawable SACE Emax 2 air switch disconnector rated for operation up to 690 V AC in low-voltage power distribution systems.
£3,478.91
Why Choose the ABB E1.2N/MS 800 3p WMP Emax 2 Switch Disconnector?
The ABB E1.2N/MS 800 3p WMP, order code 1SDA073479R1, is a high-performance three-pole air switch disconnector from the ABB SACE Emax 2 range, designed for switching and isolation duties in low-voltage electrical distribution systems. Built on the compact E1.2 frame, this withdrawable device provides an 800 A rated uninterrupted current and is suitable for demanding industrial and commercial power distribution applications.
As part of the ABB SACE Emax 2 family, the E1.2N/MS combines compact construction with high electrical and mechanical endurance. The N performance level provides a rated short-time withstand current of 50 kA for 1 s, supporting reliable operation in installations where high fault-current withstand capability and dependable isolation are required.
The E1.2N/MS 800 3p WMP is a withdrawable moving part with three poles and a rated operational voltage of up to 690 V AC. Its withdrawable construction facilitates installation, inspection and maintenance in low-voltage switchboards, while optional motor operators and voltage releases allow the device to be adapted to automated power distribution applications.
Key Advantages
- High-performance 800 A three-pole switch disconnector for low-voltage power distribution.
- 50 kA short-time withstand current for 1 s for demanding electrical installations.
- Rated operational voltage up to 690 V AC.
- Withdrawable construction simplifies isolation, servicing and maintenance.
- Compact ABB Emax 2 E1.2 frame helps optimise switchboard space.
- Optional motor operator and voltage release support automated switching applications.
- Designed for dependable switching and isolation in industrial distribution systems.
Key Features
- ABB SACE Emax 2 E1.2N/MS series.
- 800 A rated uninterrupted current (Iu).
- Three-pole configuration.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage (Ui).
- 12 kV rated impulse withstand voltage (Uimp).
- 50 kA for 1 s rated short-time withstand current (Icw).
- 30 kA for 3 s short-time withstand capability.
- Withdrawable moving-part construction.
- Interlockable operating mechanism.
- Bolt-connected main circuit.
- IP30 front-side protection.
Reliable Switching and Isolation for Power Distribution
Switch disconnectors such as the ABB E1.2N/MS provide controlled switching and dependable isolation of electrical circuits in low-voltage distribution systems. The device is engineered to carry its rated current continuously while providing the isolation functionality required for safe operation and maintenance of downstream equipment.
The Emax 2 platform is designed for modern switchboards where compact dimensions, high current capability and flexible operation are important. The withdrawable E1.2N/MS moving part can be removed from its fixed section for maintenance or replacement, helping minimise disruption and simplify servicing in critical power distribution installations.
Typical Applications
- Industrial low-voltage switchboards.
- Main power distribution panels.
- Commercial and infrastructure electrical distribution.
- Manufacturing and process industry installations.
- Power isolation and switching applications.
- Automated low-voltage distribution systems.
- Critical power and electrical infrastructure.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code / MPN | 1SDA073479R1 |
| Product type | Air switch disconnector |
| Frame / sub-type | E1.2 |
| Performance level | N |
| Version | W / withdrawable |
| Number of poles | 3 |
| Current type | AC |
| Rated uninterrupted current (Iu) | 800 A |
| Rated current (In) | 800 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated short-time withstand current (Icw) | 50 kA for 1 s |
| Short-time withstand current | 30 kA for 3 s |
| Electrical durability | 8,000 cycles |
| Mechanical durability | 20,000 cycles |
| Power loss | 100 W |
| Operating element | Push button |
| Main circuit connection | Bolt connection |
| Motor operator | Optional |
| Voltage release | Optional |
| Interlockable | Yes |
| Protection rating, front | IP30 |
| Dimensions (W × H × D) | 278 × 363.5 × 271 mm |
| Weight | approx. 18 kg |
| EAN | 8015644773298 |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA073479R1 used for?
The ABB 1SDA073479R1 is an Emax 2 three-pole switch disconnector designed for switching and isolation duties in low-voltage electrical distribution systems.
What is the current rating of the E1.2N/MS 800 3p WMP?
The device has a rated uninterrupted current of 800 A, making it suitable for high-current industrial and commercial power distribution applications.
What voltage is the ABB E1.2N/MS 800 rated for?
The switch disconnector has a rated operational voltage of up to 690 V AC, with a rated insulation voltage of 1000 V AC.
What is the short-time withstand current of this device?
The E1.2N/MS 800 has a rated short-time withstand current of 50 kA for 1 s and 30 kA for 3 s.
Is the ABB 1SDA073479R1 a withdrawable device?
Yes. The E1.2N/MS 800 3p WMP is a withdrawable moving part designed for use within compatible ABB SACE Emax 2 switchgear assemblies.
Trusted ABB Power Distribution Technology
ABB SACE Emax 2 devices are engineered for modern low-voltage power distribution systems, combining compact construction, high electrical performance and flexible switching capabilities for industrial, commercial and infrastructure applications.
