1SDA058909R1 ABB E6H/f/MS 4000 4-Pole Fixed Switch Disconnector

Why Choose the ABB 1SDA058909R1 E6H/f/MS 4000 Switch Disconnector?

The ABB 1SDA058909R1 is a high-performance SACE Emax E6H/f/MS switch disconnector 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 fixed four-pole unit provides a rated current of 4000 A for industrial, commercial and critical infrastructure power distribution applications.

The E6H/f/MS range combines the robust E6 frame with ABB’s H performance level, providing strong short-circuit withstand characteristics for demanding installations. The four-pole configuration provides a 100% rated fourth pole, making this version suitable for systems where full-current neutral switching and isolation are required.

The 1SDA058909R1 features a fixed configuration with rear horizontal terminals and is designed for operational voltages up to 690 V AC. With a rated short-circuit making capacity of 220 kA, a short-time withstand current of 100 kA for 1 s and 85 kA for 3 s, it provides robust performance for high-power low-voltage distribution systems.

Key Advantages

• Heavy-duty ABB SACE Emax E6H/f/MS switch disconnector for high-current power distribution.
• 4000 A rated current for demanding industrial and infrastructure installations.
• Four-pole configuration with 100% rated fourth pole.
• Fixed execution for permanent installation within compatible switchgear.
• Rear horizontal terminals for practical switchboard and busbar connections.
• High 100 kA short-time withstand current for 1 s for demanding distribution systems.

Key Features

• ABB SACE Emax E6H/f/MS series.
• 4000 A rated current.
• 4-pole configuration.
• 100% rated fourth pole.
• 690 V AC rated operational voltage.
• 220 kA rated short-circuit making capacity.
• 100 kA short-time withstand current for 1 s.
• 85 kA short-time withstand current for 3 s.
• Fixed execution with rear horizontal terminals.
• H performance level for demanding high-current distribution applications.

Reliable High-Current Switching and Isolation

Switch disconnectors such as the ABB SACE Emax E6H/f/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 E6H/f/MS 4000 combines a 4000 A current rating with high short-time withstand performance and a fully rated fourth pole. Its fixed construction and rear horizontal terminals make the 1SDA058909R1 particularly suitable for permanent integration into high-power distribution systems requiring four-pole isolation.

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.
• Four-wire distribution systems requiring full-current neutral isolation.