1SDA058882R1 ABB E3V/MS 1250 4-Pole Fixed Switch Disconnector

Why Choose the ABB 1SDA058882R1 E3V/MS 1250 Switch Disconnector?

The ABB 1SDA058882R1 is a high-performance SACE Emax E3V/MS circuit breaker switch disconnector designed for dependable switching and isolation in demanding low-voltage electrical distribution systems. Part of the established ABB SACE Emax New Emax series, this fixed four-pole unit provides a rated uninterrupted current of 1250 A for industrial, commercial and infrastructure power distribution applications.

Designed for high-current switching and isolation duties, the E3V/MS 1250 combines robust construction with strong short-time withstand performance. Its four-pole arrangement enables simultaneous switching of three phases and neutral where required, while the fixed execution provides a permanent and dependable installation within compatible low-voltage switchboards.

The 1SDA058882R1 features rear horizontal terminals and is rated for operation at up to 690 V AC. With a rated insulation voltage of 1000 V, rated impulse withstand voltage of 12 kV and short-time withstand current of 85 kA for 1 s, it is engineered for demanding power distribution environments where high electrical performance and reliable isolation are essential.

Key Advantages

• Heavy-duty ABB SACE Emax E3V/MS switch disconnector for low-voltage power distribution.
• 1250 A rated uninterrupted current for demanding electrical installations.
• Four-pole configuration suitable for switching three phases and neutral.
• Fixed execution for permanent integration into compatible switchgear.
• Rear horizontal terminals provide practical switchboard connections.
• High 85 kA short-time withstand current for 1 s for demanding distribution systems.

Key Features

• ABB SACE Emax E3V/MS series.
• 1250 A rated uninterrupted current.
• 4-pole configuration.
• 690 V AC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 85 kA short-time withstand current for 1 s.
• 65 kA short-time withstand current for 3 s.
• Fixed execution with rear horizontal terminals.
• Designed for reliable high-current switching and circuit isolation.

Reliable Switching and Isolation for Power Distribution

Switch disconnectors such as the ABB SACE Emax E3V/MS provide a dependable means of switching and isolating high-current low-voltage electrical circuits. Their robust construction and defined isolation function make them well suited to main distribution boards and industrial switchgear where dependable circuit separation is required for operation and maintenance.

The E3V/MS 1250 combines a 1250 A continuous current capability with high short-time withstand performance. Its four-pole fixed construction and rear horizontal terminals make the 1SDA058882R1 particularly suitable for permanent integration into demanding industrial and infrastructure distribution systems.

Typical Applications

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