1SDA073499R1 ABB E2.2H/MS 2500 3p WMP Switch-Disconnector 2500 A

Why Choose the ABB E2.2H/MS 2500 3p WMP Switch-Disconnector?

The ABB E2.2H/MS 2500 3p WMP, order code 1SDA073499R1, is a high-performance three-pole switch-disconnector from the ABB SACE Emax 2 range, designed for switching and isolation duties in demanding low-voltage electrical distribution systems. Supplied as the moving part of a withdrawable switch-disconnector, it combines a high current capacity with the flexible installation and maintenance benefits of the Emax 2 withdrawable platform.

Designed for industrial and infrastructure power distribution, the E2.2H/MS provides a 2500 A rated uninterrupted current and an H performance level for applications requiring high short-time withstand capability. Its withdrawable configuration allows the moving part to be separated from the associated fixed part, supporting efficient switchboard servicing, inspection and replacement.

With a rated operational voltage of 690 V AC and a rated short-time withstand current of 85 kA for 1 s, the E2.2H/MS 2500 is well suited to high-current three-phase distribution systems. Its robust E2.2 frame and three-pole construction make it an effective solution for main distribution boards, industrial switchgear and other critical low-voltage installations.

Key Advantages

• High-performance ABB SACE Emax 2 switch-disconnector for demanding power distribution applications.
• 2500 A rated uninterrupted current for high-current electrical systems.
• Three-pole configuration designed for three-phase distribution networks.
• 85 kA short-time withstand current for 1 s provides high electrical withstand capability.
• Withdrawable moving-part design supports efficient switchboard servicing and maintenance.
• Rated for operation at up to 690 V AC.

Key Features

• ABB SACE Emax 2 E2.2H/MS series.
• 2500 A rated uninterrupted current (Iu).
• Three-pole construction.
• 690 V AC rated operational voltage.
• 85 kA rated short-time withstand current (Icw) for 1 s.
• 66 kA rated short-time withstand current (Icw) for 3 s.
• H short-circuit performance level.
• Withdrawable moving-part (WMP) configuration.
• Designed for low-voltage switching, isolation and power distribution applications.

Reliable Switching and Isolation for High-Current Distribution

Switch-disconnectors provide a dependable means of switching and electrically isolating circuits in low-voltage distribution systems. The ABB E2.2H/MS 2500 is designed for high-current installations where robust electrical withstand performance and reliable isolation are essential for the safe and efficient operation of switchboards and distribution equipment.

The withdrawable Emax 2 architecture provides additional flexibility for industrial installations. As a moving part, the E2.2H/MS can be withdrawn from its compatible fixed part, helping simplify inspection and maintenance while supporting the serviceability required in critical power distribution systems.

Typical Applications

• Main low-voltage power distribution switchboards.
• Industrial electrical distribution systems.
• High-current switching and isolation applications.
• Commercial and infrastructure power installations.
• Industrial plants and manufacturing facilities.
• Withdrawable switchgear and power distribution assemblies.