1SDA073496R1 ABB E2.2N/MS 2000 3p WMP Switch Disconnector

Why Choose the ABB E2.2N/MS 2000 3p WMP Switch Disconnector?

The ABB E2.2N/MS 2000 3p WMP, order code 1SDA073496R1, is a high-current three-pole withdrawable air switch disconnector from the ABB SACE Emax 2 range, designed for dependable switching and electrical isolation in low-voltage power distribution systems. Built on the E2.2 frame, this /MS version provides a substantial 2000 A rated uninterrupted current for industrial, commercial and infrastructure switchboards.

The E2.2N/MS combines its high continuous-current capacity with a rated short-time withstand current of 66 kA for 1 s. This provides robust withstand performance in demanding distribution systems while appropriately coordinated protective equipment supplies the automatic overload and short-circuit protection required by the installation.

This model is supplied as the withdrawable moving part (WMP) of the Emax 2 switch-disconnector system. Its three-pole construction, 690 V AC rated operational voltage and withdrawable architecture make it particularly suitable for switchboards where high-current switching, reliable isolation and convenient servicing of the switching device are important.

Key Advantages

• High-capacity 2000 A three-pole air switch disconnector.
• 66 kA short-time withstand current for 1 s for demanding power distribution systems.
• Withdrawable moving-part design supports maintenance and switchboard serviceability.
• 690 V AC rated operational voltage for industrial low-voltage networks.
• 1000 V AC rated insulation voltage for robust electrical performance.
• Three-pole construction for simultaneous switching and isolation of phase conductors.
• Part of the proven ABB SACE Emax 2 power distribution platform.

Key Features

• ABB SACE Emax 2 E2.2N/MS switch disconnector.
• 2000 A rated uninterrupted current (Iu).
• Three-pole configuration.
• 66 kA rated short-time withstand current (Icw) for 1 s.
• 690 V AC rated operational voltage (Ue).
• 1000 V AC rated insulation voltage (Ui).
• Withdrawable moving part (WMP) configuration.
• Bolt-connected main circuit interface.
• IP30 front-side protection.
• Interlockable construction for controlled switchboard operation.
• Optional motor drive and voltage release supported by the Emax 2 platform.

Reliable Withdrawable Isolation for High-Current Distribution

ABB SACE Emax 2 /MS switch disconnectors are designed for controlled switching and electrical isolation within low-voltage distribution systems. Rather than incorporating the automatic overcurrent protection of a circuit breaker trip unit, the /MS configuration performs the switching and isolation function while appropriately coordinated protective devices elsewhere in the installation provide fault protection.

The withdrawable architecture allows the E2.2N/MS moving part to be separated from its corresponding fixed switchboard section, supporting inspection, servicing and replacement strategies. Combined with its 2000 A continuous-current rating and 66 kA 1-second short-time withstand capability, the 1SDA073496R1 provides a robust solution for high-current switchboards requiring dependable isolation and serviceable switchgear.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• High-current incoming and outgoing isolation duties.
• Transformer secondary distribution systems.
• Generator and standby power installations.
• Manufacturing and process plant switchgear.
• Withdrawable switchboard assemblies requiring serviceable switching devices.