1SDA058994R1 ABB E3S/MS 3200 4-Pole Withdrawable Switch Disconnector

Why Choose the ABB 1SDA058994R1 E3S/MS 3200 Switch Disconnector?

The ABB 1SDA058994R1 is a high-performance SACE Emax E3S/MS switch-disconnector moving part designed for dependable high-current switching and isolation in demanding low-voltage electrical distribution systems. Part of the established ABB SACE Emax New Emax series, this four-pole withdrawable unit provides a rated current of 3200 A for industrial, commercial and infrastructure power distribution applications.

Designed as the moving part of a withdrawable switch-disconnector assembly, the E3S/MS 3200 combines ABB's robust E3 frame with an S short-circuit performance level. Its four-pole configuration supports applications requiring simultaneous switching and isolation of three phases and neutral, while the withdrawable construction facilitates inspection, servicing and replacement within compatible SACE Emax switchgear.

The 1SDA058994R1 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 75 kA for 1 s, it provides robust electrical performance for demanding high-capacity distribution systems.

Key Advantages

• ABB SACE Emax E3S/MS design for dependable high-current switching and isolation.
• 3200 A rated current for demanding industrial and infrastructure distribution systems.
• Four-pole configuration for applications requiring four-conductor switching and isolation.
• Withdrawable moving-part construction supports convenient inspection, servicing and replacement.
• High 75 kA short-time withstand current for 1 s.
• Designed for integration with compatible ABB SACE Emax withdrawable switchgear assemblies.

Key Features

• ABB SACE Emax E3S/MS series.
• 3200 A rated uninterrupted current.
• 4-pole configuration.
• 690 V AC / 250 V DC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 75 kA short-time withstand current for 1 s.
• 65 kA short-time withstand current for 3 s.
• Withdrawable moving part (W MP) execution.
• Mechanical durability of 20,000 operating cycles.

Reliable High-Current Switching and Isolation

The ABB SACE Emax E3S/MS provides a dependable means of switching and isolating high-current low-voltage electrical circuits. Its 3200 A continuous current capability and 75 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 four-pole configuration, 6,000-cycle electrical durability and 20,000-cycle mechanical durability, the 1SDA058994R1 provides a practical solution for maintainable high-current 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.
• Four-pole switchgear requiring withdrawable high-current isolation.