1SDA059005R1 ABB E4H/MS 4000 3-Pole Withdrawable Switch Disconnector

Why Choose the ABB 1SDA059005R1 E4H/MS 4000 Switch Disconnector?

The ABB 1SDA059005R1 is a high-performance SACE Emax E4H/MS switch-disconnector moving part designed for dependable high-current switching and isolation in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax New Emax series, this three-pole withdrawable unit provides a rated current of 4000 A for industrial, commercial and infrastructure power distribution applications.

Designed as the moving part of a withdrawable circuit breaker switch-disconnector assembly, the E4H/MS 4000 combines ABB's robust E4 frame with the high-performance H level. Its three-pole configuration is suited to high-capacity three-phase distribution systems, while the withdrawable construction facilitates inspection, servicing and replacement within compatible SACE Emax switchgear.

The 1SDA059005R1 supports rated operational voltages of 690 V AC and 250 V DC. With a rated insulation voltage of 1000 V, rated impulse withstand voltage of 12 kV and short-time withstand current of 100 kA for 1 s, it provides substantial electrical withstand performance for demanding high-current distribution systems.

Key Advantages

• ABB SACE Emax E4H/MS design for dependable high-current switching and isolation.
• 4000 A rated current for demanding industrial and infrastructure distribution systems.
• Three-pole configuration for high-capacity three-phase electrical applications.
• Withdrawable moving-part construction supports convenient inspection, servicing and replacement.
• High 100 kA short-time withstand current for 1 s.
• Designed for integration with compatible ABB SACE Emax withdrawable switchgear assemblies.

Key Features

• ABB SACE Emax E4H/MS series.
• 4000 A rated uninterrupted current.
• 3-pole configuration.
• 690 V AC / 250 V DC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 100 kA short-time withstand current for 1 s.
• 75 kA short-time withstand current for 3 s.
• Withdrawable moving part (W MP) execution.
• Mechanical durability of 15,000 operating cycles.

Reliable High-Current Switching and Isolation

The ABB SACE Emax E4H/MS provides a dependable means of switching and isolating high-current low-voltage electrical circuits. Its 4000 A continuous current capability and 100 kA one-second short-time withstand performance make it suitable for main distribution boards and industrial switchgear where robust circuit separation is required for operation, servicing and maintenance.

The withdrawable construction allows the moving part to be separated from its compatible fixed section, helping simplify inspection, maintenance and equipment replacement. Combined with its three-pole configuration, 5,000-cycle electrical durability and 15,000-cycle mechanical durability, the 1SDA059005R1 provides a practical solution for maintainable high-current three-phase power distribution systems.

Typical Applications

• Industrial low-voltage switchboards and distribution panels.
• Main incoming and outgoing electrical isolation.
• Manufacturing and process industry power distribution.
• Commercial building and infrastructure electrical systems.
• Generator and transformer distribution installations.
• Three-phase switchgear requiring withdrawable 4000 A isolation.