1SDA073498R1 ABB E2.2N/MS 2500 3p WMP Emax 2 Switch Disconnector 2500 A

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

The ABB E2.2N/MS 2500 3p WMP, order code 1SDA073498R1, is a high-performance three-pole air switch disconnector from the ABB SACE Emax 2 range, designed for switching and isolation duties in demanding low-voltage electrical distribution systems. Built on the E2.2 frame, this withdrawable moving part provides a 2500 A rated uninterrupted current for industrial, commercial and infrastructure power distribution applications.

As part of the advanced ABB SACE Emax 2 family, the E2.2N/MS combines high current capacity with robust short-time withstand performance. Its N performance level provides a rated short-time withstand current of 66 kA for 1 s and 50 kA for 3 s, making it suitable for installations where high fault-current withstand capability and dependable electrical isolation are required.

The E2.2N/MS 2500 3p WMP is a withdrawable three-pole moving part with a rated operational voltage of up to 690 V AC. Its withdrawable construction facilitates inspection and maintenance within compatible Emax 2 switchgear, while the robust E2.2 platform provides dependable performance for high-current power distribution installations.

Key Advantages

• High-performance 2500 A three-pole switch disconnector for low-voltage power distribution.
• 66 kA short-time withstand current for 1 s for demanding electrical installations.
• 50 kA short-time withstand current for 3 s.
• Rated operational voltage up to 690 V AC.
• High 2500 A continuous current capacity for substantial electrical loads.
• Withdrawable moving-part construction supports convenient inspection and maintenance.
• High electrical and mechanical durability for frequent switching duties.
• Robust ABB Emax 2 construction for industrial and critical power distribution applications.

Key Features

• ABB SACE Emax 2 E2.2N/MS series.
• 2500 A rated uninterrupted current (Iu).
• Three-pole configuration.
• 690 V AC rated operational voltage (Ue).
• 1000 V AC rated insulation voltage (Ui).
• 12 kV rated impulse withstand voltage (Uimp).
• 66 kA for 1 s rated short-time withstand current (Icw).
• 50 kA for 3 s short-time withstand current.
• 8000 electrical operating cycles at up to 440 V.
• 7000 electrical operating cycles at 500–690 V.
• 20,000 mechanical operating cycles.
• Withdrawable moving-part construction.

Reliable Switching and Isolation for Power Distribution

Switch disconnectors such as the ABB E2.2N/MS provide controlled switching and dependable isolation of electrical circuits in low-voltage distribution systems. The /MS configuration is designed for switching and isolation duties, making it suitable for installations where a robust high-current device is required to control and isolate sections of an electrical distribution network.

The Emax 2 platform is engineered for modern switchboards where high current capacity, compact construction and strong short-time withstand performance are important. The withdrawable E2.2N/MS moving part can be disconnected and removed from its compatible fixed section, helping simplify inspection and maintenance in industrial and critical power distribution installations.

Typical Applications

• Industrial low-voltage switchboards.
• Main power distribution panels.
• High-current electrical distribution systems.
• Commercial and infrastructure power distribution.
• Manufacturing and process industry installations.
• Power isolation and switching applications.
• Large industrial facilities and plant distribution.
• Critical power and electrical infrastructure.