1SDA073493R1 ABB E2.2N/MS 1600 3p WMP Switch-Disconnector

Why Choose the ABB E2.2N/MS 1600 3p WMP Switch-Disconnector?

The ABB E2.2N/MS 1600 3p WMP, order code 1SDA073493R1, is a high-performance three-pole withdrawable air switch-disconnector moving part designed for reliable switching and isolation in low-voltage power distribution systems. As part of the ABB SACE Emax 2 E2.2 series, it combines a rated uninterrupted current of 1600 A with robust short-time withstand capability for demanding industrial, commercial and infrastructure switchboards.

This E2.2N/MS configuration is the moving part of a withdrawable switch-disconnector, designed for use with the corresponding Emax 2 fixed part. The withdrawable architecture facilitates inspection, maintenance and replacement while providing dependable isolation and flexible integration within modern low-voltage switchgear assemblies.

With a rated operational voltage of 690 V AC, rated insulation voltage of 1000 V AC and rated short-time withstand current of 66 kA for 1 s, the E2.2N/MS 1600 provides robust electrical performance for three-phase distribution systems requiring high-current switching and maintainable withdrawable construction.

Key Advantages

• High-current 1600 A air switch-disconnector for low-voltage distribution systems.
• Three-pole configuration for three-phase switching and isolation.
• Withdrawable moving-part design supports efficient inspection, servicing and replacement.
• Rated operational voltage of 690 V AC.
• Rated short-time withstand current of 66 kA for 1 s.
• 12 kV impulse withstand voltage for robust insulation performance.
• Mechanical durability of up to 25,000 operating cycles.
• Part of ABB's established SACE Emax 2 low-voltage power distribution platform.

Key Features

• ABB SACE Emax 2 E2.2N/MS series.
• 1600 A rated uninterrupted current.
• Three-pole switching configuration.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 66 kA rated short-time withstand current for 1 s.
• 50 kA rated short-time withstand current for 3 s.
• Withdrawable moving part for use with the corresponding Emax 2 fixed part.
• Designed for dependable switching and isolation in high-current distribution assemblies.

Reliable Withdrawable Switching and Isolation

Air switch-disconnectors provide a dependable means of switching and electrically isolating sections of low-voltage installations. The withdrawable construction of the ABB E2.2N/MS allows the moving part to be separated from its corresponding fixed part, supporting maintenance and replacement while retaining the robust electrical performance of the Emax 2 platform.

The E2.2N/MS 1600 combines a 1600 A uninterrupted current rating with 66 kA for 1 s short-time withstand capability. Its three-pole configuration and withdrawable design make it particularly suitable for high-current three-phase distribution systems where dependable isolation, electrical durability and maintainability are key requirements.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial three-phase power distribution systems.
• Commercial and infrastructure electrical installations.
• Switchboards requiring withdrawable isolation devices.
• Manufacturing and process plant distribution systems.
• High-current electrical assemblies where maintainability and device replacement are important.