1SDA073467R1 ABB E6.2H/MS 6300 4p FHR Switch-Disconnector

Why Choose the ABB E6.2H/MS 6300 4p FHR Switch-Disconnector?

The ABB E6.2H/MS 6300 4p FHR, order code 1SDA073467R1, is a high-current four-pole air switch-disconnector designed for reliable switching and isolation in demanding low-voltage power distribution systems. As part of the ABB SACE Emax 2 E6.2 series, it provides a rated uninterrupted current of 6300 A for major industrial, commercial and infrastructure distribution installations.

This E6.2H/MS configuration is supplied as a fixed four-pole device with horizontal rear terminals, providing a robust connection arrangement for integration with high-current switchboard busbars. The /MS switch-disconnector design provides the isolation function specified by IEC 60947-3 while retaining the dimensions and accessory flexibility of the Emax 2 platform.

With a rated operational voltage of 690 V AC, rated insulation voltage of 1000 V AC and rated short-time withstand current of 100 kA for 1 s, the E6.2H/MS 6300 is engineered for high-capacity distribution systems where dependable isolation and exceptional current-carrying capability are essential.

Key Advantages

• Very high 6300 A rated uninterrupted current for major power distribution systems.
• Four-pole configuration for switching and isolation of three-phase systems with neutral.
• Robust 100 kA short-time withstand current for 1 s.
• Fixed installation for permanent integration into low-voltage switchboards.
• Horizontal rear terminals support efficient connection to high-current busbar systems.
• Rated operational voltage of 690 V AC.
• AC-23A utilisation category for demanding switching duties.
• Part of ABB's high-performance SACE Emax 2 low-voltage distribution platform.

Key Features

• ABB SACE Emax 2 E6.2H/MS series.
• 6300 A rated uninterrupted current.
• Four-pole switching configuration.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 100 kA rated short-time withstand current for 1 s.
• 100 kA rated short-time withstand current for 3 s.
• Fixed version for switchboard installation.
• Horizontal rear terminal connection.
• Designed for isolation duties in accordance with IEC 60947-3.

Reliable High-Current Switching and Isolation

Air switch-disconnectors provide a dependable means of switching and electrically isolating sections of a low-voltage installation. The ABB E6.2H/MS is derived from the Emax 2 platform and is specifically configured for switch-disconnector duties, providing the isolation distance required between its main contacts when the device is in the open position.

The Emax 2 E6.2 platform is designed for high-capacity low-voltage distribution assemblies. With its 6300 A uninterrupted current rating and 100 kA short-time withstand capability, this fixed four-pole configuration is particularly suited to main distribution and isolation duties where very high current capacity and robust electrical performance are required.

Typical Applications

• High-capacity low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Large commercial and infrastructure electrical installations.
• Main incoming and distribution isolation duties.
• Manufacturing, process and heavy-industry switchboards.
• Power distribution assemblies requiring high-current four-pole isolation.