1SDA058908R1 ABB E6H/MS 4000 4-Pole Withdrawable Switch Disconnector

Why Choose the ABB 1SDA058908R1 E6H/MS 4000 Switch Disconnector?

The ABB 1SDA058908R1 is a high-performance SACE Emax E6H/MS switch-disconnector moving part designed for dependable switching and isolation in demanding low-voltage electrical distribution systems. Part of the established ABB SACE Emax New Emax series, this four-pole unit provides a rated current of 4000 A for high-power industrial, commercial and infrastructure distribution applications.

Designed as the moving part of a withdrawable switch-disconnector assembly, the E6H/MS 4000 combines reliable electrical isolation with the serviceability of draw-out switchgear. Its robust E6 frame and H performance level provide high short-circuit withstand capability, making it particularly suitable for main distribution switchboards and other critical high-current installations.

The 1SDA058908R1 features a four-pole withdrawable moving-part configuration and is suitable for systems with an operational voltage up to 690 V AC. The E6H/MS series provides a rated short-time withstand current of 100 kA for 1 s and 85 kA for 3 s, providing robust performance for demanding low-voltage power distribution environments.

Key Advantages

• Heavy-duty ABB SACE Emax E6H/MS switch disconnector for high-current power distribution.
• 4000 A rated current for demanding industrial and infrastructure installations.
• Four-pole configuration suitable for switching three phases and neutral.
• Withdrawable moving-part construction supports convenient inspection, maintenance and replacement.
• High 100 kA short-time withstand current for 1 s.
• Designed for integration with compatible ABB SACE Emax E6 withdrawable switchgear assemblies.

Key Features

• ABB SACE Emax E6H/MS series.
• 4000 A rated current.
• 4-pole configuration.
• 690 V AC rated operational voltage.
• 100 kA short-time withstand current for 1 s.
• 85 kA short-time withstand current for 3 s.
• 220 kA rated short-circuit making capacity for the E6H/MS performance class.
• Withdrawable moving part (W MP) execution.
• H performance level for demanding high-current distribution systems.
• Designed for reliable switching and electrical isolation in low-voltage switchgear.

Reliable High-Current Switching and Isolation

Switch disconnectors such as the ABB SACE Emax E6H/MS provide a dependable means of switching and isolating high-current low-voltage electrical circuits. Their robust construction and defined isolation function make them particularly suitable for main distribution boards, industrial switchgear and infrastructure installations where reliable circuit separation is essential for operation and maintenance.

The withdrawable E6H/MS configuration allows the moving part to be separated from its compatible fixed section, helping simplify inspection, servicing and replacement. Combined with its 4000 A current rating and 100 kA one-second short-time withstand capability, the 1SDA058908R1 is well suited to demanding high-power distribution systems.

Typical Applications

• High-current industrial low-voltage switchboards.
• Main incoming and outgoing electrical isolation.
• Manufacturing and process industry power distribution.
• Commercial buildings and critical infrastructure systems.
• Generator and transformer distribution installations.
• High-power switchgear requiring withdrawable four-pole isolation.