1SDA058972R1 ABB E3S/MS 2000 4P F HR Switch Disconnector 2000 A

Why Choose the ABB E3S/MS 2000 4P F HR Switch Disconnector?

The ABB E3S/MS 2000 4P F HR, order code 1SDA058972R1, is a heavy-duty SACE Emax air switch disconnector designed for high-current switching and isolation in low-voltage power distribution systems. Built on the ABB E3 frame, this four-pole unit provides a rated uninterrupted current of 2000 A and uses a fixed installation format with rear horizontal terminals.

The E3S/MS 2000 combines robust SACE Emax construction with the S short-circuit performance level. It provides a rated short-time withstand current of 75 kA for 1 s and 65 kA for 3 s, together with a rated short-circuit making capacity of 165 kA peak, supporting dependable isolation in demanding industrial power distribution systems.

Rated for operation up to 690 V AC or 250 V DC, with a rated insulation voltage of 1000 V and rated impulse withstand voltage of 12 kV, the E3S/MS 2000 provides robust electrical performance for engineered switchboards. As an ABB /MS switch disconnector, it is derived from the corresponding Emax circuit-breaker architecture but does not incorporate an overcurrent trip unit, making it suitable where circuit protection is provided separately.

Key Advantages

• Heavy-duty 2000 A SACE Emax switch disconnector for high-current power distribution and isolation.
• Four-pole fixed construction for permanent switchboard installations.
• Rear horizontal terminals provide a practical connection arrangement for switchboard busbar systems.
• Rated for operation up to 690 V AC or 250 V DC.
• 75 kA short-time withstand current for 1 s supports demanding distribution applications.
• AC-23A utilisation capability supports switching of motor loads and other highly inductive loads.

Key Features

• ABB SACE Emax E3S/MS series.
• 2000 A rated uninterrupted current.
• Four-pole (4P) construction.
• Fixed (F) installation version.
• Rear horizontal (HR) terminals.
• 690 V AC / 250 V DC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• S short-circuit performance level.
• 165 kA peak rated short-circuit making capacity.

Reliable High-Current Isolation for Power Distribution

ABB /MS switch disconnectors are derived from the corresponding SACE Emax circuit breakers and retain their overall construction and accessory possibilities while omitting the overcurrent trip unit. The E3S/MS 2000 therefore provides dedicated switching and isolation where electrical protection is supplied separately, while its AC-23A utilisation category supports switching of motor loads and other highly inductive circuits within the applicable ratings.

With its 2000 A current rating, four-pole fixed construction and 75 kA one-second withstand capability, the E3S/MS 2000 is well suited to demanding industrial switchboards. Rear horizontal terminals facilitate integration with engineered busbar systems, while the proven Emax mechanism provides the durability required for long-term power distribution service.

Typical Applications

• Industrial low-voltage power distribution switchboards.
• Main incoming and distribution isolation.
• High-current fixed switchgear assemblies.
• Industrial plants and manufacturing facilities.
• Commercial and infrastructure power distribution systems.
• High-current feeder and busbar isolation.